642407220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:824

約数の個数: 384

約数和(自身を含む): 2607897600

約数和(自身を除く): 1965490380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 26, 27, 28, 30, 34, 35, 36, 39, 42, 45, 51, 52, 54, 60, 63, 65, 68, 70, 78, 84, 85, 90, 91, 102, 105, 108, 117, 119, 126, 130, 135, 140, 153, 156, 170, 180, 182, 189, 195, 204, 210, 221, 234, 238, 252, 255, 260, 270, 273, 306, 315, 340, 351, 357, 364, 378, 390, 420, 442, 455, 459, 468, 476, 510, 540, 546, 585, 595, 612, 630, 663, 702, 714, 756, 765, 769, 780, 819, 884, 910, 918, 945, 1020, 1071, 1092, 1105, 1170, 1190, 1260, 1326, 1365, 1404, 1428, 1530, 1538, 1547, 1638, 1755, 1785, 1820, 1836, 1890, 1989, 2142, 2210, 2295, 2307, 2340, 2380, 2457, 2652, 2730, 3060, 3076, 3094, 3213, 3276, 3315, 3510, 3570, 3780, 3845, 3978, 4095, 4284, 4420, 4590, 4614, 4641, 4914, 5355, 5383, 5460, 5967, 6188, 6426, 6630, 6921, 7020, 7140, 7690, 7735, 7956, 8190, 9180, 9228, 9282, 9828, 9945, 9997, 10710, 10766, 11535, 11934, 12285, 12852, 13073, 13260, 13842, 13923, 15380, 15470, 16065, 16149, 16380, 18564, 19890, 19994, 20763, 21420, 21532, 23070, 23205, 23868, 24570, 26146, 26915, 27684, 27846, 29835, 29991, 30940, 32130, 32298, 34605, 39219, 39780, 39988, 41526, 41769, 46140, 46410, 48447, 49140, 49985, 52292, 53830, 55692, 59670, 59982, 64260, 64596, 65365, 69210, 69615, 69979, 78438, 80745, 83052, 83538, 89973, 91511, 92820, 96894, 99970, 103815, 107660, 117657, 119340, 119964, 130730, 138420, 139230, 139958, 145341, 149955, 156876, 161490, 167076, 169949, 179946, 183022, 193788, 196095, 199940, 207630, 208845, 209937, 235314, 242235, 261460, 269919, 274533, 278460, 279916, 290682, 299910, 322980, 339898, 349895, 352971, 359892, 366044, 392190, 415260, 417690, 419874, 449865, 457555, 470628, 484470, 509847, 539838, 549066, 581364, 588285, 599820, 629811, 679796, 699790, 705942, 726705, 784380, 823599, 835380, 839748, 849745, 899730, 915110, 968940, 1019694, 1049685, 1079676, 1098132, 1176570, 1189643, 1259622, 1349595, 1372665, 1399580, 1411884, 1453410, 1529541, 1647198, 1699490, 1764855, 1799460, 1830220, 1889433, 2039388, 2099370, 2353140, 2379286, 2470797, 2519244, 2549235, 2699190, 2745330, 2906820, 3059082, 3149055, 3294396, 3398980, 3529710, 3568929, 3778866, 4117995, 4198740, 4588623, 4758572, 4941594, 5098470, 5398380, 5490660, 5948215, 6118164, 6298110, 7059420, 7137858, 7557732, 7647705, 8235990, 9177246, 9447165, 9883188, 10196940, 10706787, 11896430, 12353985, 12596220, 14275716, 15295410, 16471980, 17844645, 18354492, 18894330, 21413574, 22943115, 23792860, 24707970, 30590820, 32120361, 35689290, 37788660, 42827148, 45886230, 49415940, 53533935, 64240722, 71378580, 91772460, 107067870, 128481444, 160601805, 214135740, 321203610, 642407220]

約数ペア:

[(1, 642407220), (2, 321203610), (3, 214135740), (4, 160601805), (5, 128481444), (6, 107067870), (7, 91772460), (9, 71378580), (10, 64240722), (12, 53533935), (13, 49415940), (14, 45886230), (15, 42827148), (17, 37788660), (18, 35689290), (20, 32120361), (21, 30590820), (26, 24707970), (27, 23792860), (28, 22943115), (30, 21413574), (34, 18894330), (35, 18354492), (36, 17844645), (39, 16471980), (42, 15295410), (45, 14275716), (51, 12596220), (52, 12353985), (54, 11896430), (60, 10706787), (63, 10196940), (65, 9883188), (68, 9447165), (70, 9177246), (78, 8235990), (84, 7647705), (85, 7557732), (90, 7137858), (91, 7059420), (102, 6298110), (105, 6118164), (108, 5948215), (117, 5490660), (119, 5398380), (126, 5098470), (130, 4941594), (135, 4758572), (140, 4588623), (153, 4198740), (156, 4117995), (170, 3778866), (180, 3568929), (182, 3529710), (189, 3398980), (195, 3294396), (204, 3149055), (210, 3059082), (221, 2906820), (234, 2745330), (238, 2699190), (252, 2549235), (255, 2519244), (260, 2470797), (270, 2379286), (273, 2353140), (306, 2099370), (315, 2039388), (340, 1889433), (351, 1830220), (357, 1799460), (364, 1764855), (378, 1699490), (390, 1647198), (420, 1529541), (442, 1453410), (455, 1411884), (459, 1399580), (468, 1372665), (476, 1349595), (510, 1259622), (540, 1189643), (546, 1176570), (585, 1098132), (595, 1079676), (612, 1049685), (630, 1019694), (663, 968940), (702, 915110), (714, 899730), (756, 849745), (765, 839748), (769, 835380), (780, 823599), (819, 784380), (884, 726705), (910, 705942), (918, 699790), (945, 679796), (1020, 629811), (1071, 599820), (1092, 588285), (1105, 581364), (1170, 549066), (1190, 539838), (1260, 509847), (1326, 484470), (1365, 470628), (1404, 457555), (1428, 449865), (1530, 419874), (1538, 417690), (1547, 415260), (1638, 392190), (1755, 366044), (1785, 359892), (1820, 352971), (1836, 349895), (1890, 339898), (1989, 322980), (2142, 299910), (2210, 290682), (2295, 279916), (2307, 278460), (2340, 274533), (2380, 269919), (2457, 261460), (2652, 242235), (2730, 235314), (3060, 209937), (3076, 208845), (3094, 207630), (3213, 199940), (3276, 196095), (3315, 193788), (3510, 183022), (3570, 179946), (3780, 169949), (3845, 167076), (3978, 161490), (4095, 156876), (4284, 149955), (4420, 145341), (4590, 139958), (4614, 139230), (4641, 138420), (4914, 130730), (5355, 119964), (5383, 119340), (5460, 117657), (5967, 107660), (6188, 103815), (6426, 99970), (6630, 96894), (6921, 92820), (7020, 91511), (7140, 89973), (7690, 83538), (7735, 83052), (7956, 80745), (8190, 78438), (9180, 69979), (9228, 69615), (9282, 69210), (9828, 65365), (9945, 64596), (9997, 64260), (10710, 59982), (10766, 59670), (11535, 55692), (11934, 53830), (12285, 52292), (12852, 49985), (13073, 49140), (13260, 48447), (13842, 46410), (13923, 46140), (15380, 41769), (15470, 41526), (16065, 39988), (16149, 39780), (16380, 39219), (18564, 34605), (19890, 32298), (19994, 32130), (20763, 30940), (21420, 29991), (21532, 29835), (23070, 27846), (23205, 27684), (23868, 26915), (24570, 26146)]