247922640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:911

約数の個数: 320

約数和(自身を含む): 1028505600

約数和(自身を除く): 780582960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 504, 513, 532, 540, 560, 570, 630, 665, 684, 720, 756, 760, 798, 840, 855, 863, 912, 945, 1008, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1520, 1596, 1680, 1710, 1726, 1890, 1995, 2052, 2128, 2160, 2280, 2394, 2520, 2565, 2589, 2660, 2736, 3024, 3192, 3420, 3452, 3591, 3780, 3990, 4104, 4315, 4560, 4788, 5040, 5130, 5178, 5320, 5985, 6041, 6384, 6840, 6904, 7182, 7560, 7767, 7980, 8208, 8630, 9576, 10260, 10356, 10640, 11970, 12082, 12945, 13680, 13808, 14364, 15120, 15534, 15960, 16397, 17260, 17955, 18123, 19152, 20520, 20712, 23301, 23940, 24164, 25890, 28728, 30205, 31068, 31920, 32794, 34520, 35910, 36246, 38835, 41040, 41424, 46602, 47880, 48328, 49191, 51780, 54369, 57456, 60410, 62136, 65588, 69040, 71820, 72492, 77670, 81985, 90615, 93204, 95760, 96656, 98382, 103560, 108738, 114779, 116505, 120820, 124272, 131176, 143640, 144984, 147573, 155340, 163107, 163970, 181230, 186408, 196764, 207120, 217476, 229558, 233010, 241640, 245955, 262352, 271845, 287280, 289968, 295146, 310680, 326214, 327940, 344337, 362460, 372816, 393528, 434952, 442719, 459116, 466020, 483280, 491910, 543690, 573895, 590292, 621360, 652428, 655880, 688674, 724920, 737865, 787056, 815535, 869904, 885438, 918232, 932040, 983820, 1033011, 1087380, 1147790, 1180584, 1304856, 1311760, 1377348, 1449840, 1475730, 1631070, 1721685, 1770876, 1836464, 1864080, 1967640, 2066022, 2174760, 2213595, 2295580, 2361168, 2609712, 2754696, 2951460, 3099033, 3262140, 3443370, 3541752, 3935280, 4132044, 4349520, 4427190, 4591160, 5165055, 5509392, 5902920, 6198066, 6524280, 6886740, 7083504, 8264088, 8854380, 9182320, 10330110, 11805840, 12396132, 13048560, 13773480, 15495165, 16528176, 17708760, 20660220, 24792264, 27546960, 30990330, 35417520, 41320440, 49584528, 61980660, 82640880, 123961320, 247922640]

約数ペア:

[(1, 247922640), (2, 123961320), (3, 82640880), (4, 61980660), (5, 49584528), (6, 41320440), (7, 35417520), (8, 30990330), (9, 27546960), (10, 24792264), (12, 20660220), (14, 17708760), (15, 16528176), (16, 15495165), (18, 13773480), (19, 13048560), (20, 12396132), (21, 11805840), (24, 10330110), (27, 9182320), (28, 8854380), (30, 8264088), (35, 7083504), (36, 6886740), (38, 6524280), (40, 6198066), (42, 5902920), (45, 5509392), (48, 5165055), (54, 4591160), (56, 4427190), (57, 4349520), (60, 4132044), (63, 3935280), (70, 3541752), (72, 3443370), (76, 3262140), (80, 3099033), (84, 2951460), (90, 2754696), (95, 2609712), (105, 2361168), (108, 2295580), (112, 2213595), (114, 2174760), (120, 2066022), (126, 1967640), (133, 1864080), (135, 1836464), (140, 1770876), (144, 1721685), (152, 1631070), (168, 1475730), (171, 1449840), (180, 1377348), (189, 1311760), (190, 1304856), (210, 1180584), (216, 1147790), (228, 1087380), (240, 1033011), (252, 983820), (266, 932040), (270, 918232), (280, 885438), (285, 869904), (304, 815535), (315, 787056), (336, 737865), (342, 724920), (360, 688674), (378, 655880), (380, 652428), (399, 621360), (420, 590292), (432, 573895), (456, 543690), (504, 491910), (513, 483280), (532, 466020), (540, 459116), (560, 442719), (570, 434952), (630, 393528), (665, 372816), (684, 362460), (720, 344337), (756, 327940), (760, 326214), (798, 310680), (840, 295146), (855, 289968), (863, 287280), (912, 271845), (945, 262352), (1008, 245955), (1026, 241640), (1064, 233010), (1080, 229558), (1140, 217476), (1197, 207120), (1260, 196764), (1330, 186408), (1368, 181230), (1512, 163970), (1520, 163107), (1596, 155340), (1680, 147573), (1710, 144984), (1726, 143640), (1890, 131176), (1995, 124272), (2052, 120820), (2128, 116505), (2160, 114779), (2280, 108738), (2394, 103560), (2520, 98382), (2565, 96656), (2589, 95760), (2660, 93204), (2736, 90615), (3024, 81985), (3192, 77670), (3420, 72492), (3452, 71820), (3591, 69040), (3780, 65588), (3990, 62136), (4104, 60410), (4315, 57456), (4560, 54369), (4788, 51780), (5040, 49191), (5130, 48328), (5178, 47880), (5320, 46602), (5985, 41424), (6041, 41040), (6384, 38835), (6840, 36246), (6904, 35910), (7182, 34520), (7560, 32794), (7767, 31920), (7980, 31068), (8208, 30205), (8630, 28728), (9576, 25890), (10260, 24164), (10356, 23940), (10640, 23301), (11970, 20712), (12082, 20520), (12945, 19152), (13680, 18123), (13808, 17955), (14364, 17260), (15120, 16397), (15534, 15960)]