56420280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:483

約数の個数: 256

約数和(自身を含む): 228096000

約数和(自身を除く): 171675720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 168, 170, 180, 189, 204, 210, 216, 238, 252, 255, 270, 280, 306, 315, 340, 357, 360, 378, 408, 420, 439, 459, 476, 504, 510, 540, 595, 612, 630, 680, 714, 756, 765, 840, 878, 918, 945, 952, 1020, 1071, 1080, 1190, 1224, 1260, 1317, 1428, 1512, 1530, 1756, 1785, 1836, 1890, 2040, 2142, 2195, 2295, 2380, 2520, 2634, 2856, 3060, 3073, 3213, 3512, 3570, 3672, 3780, 3951, 4284, 4390, 4590, 4760, 5268, 5355, 6120, 6146, 6426, 6585, 7140, 7463, 7560, 7902, 8568, 8780, 9180, 9219, 10536, 10710, 11853, 12292, 12852, 13170, 14280, 14926, 15365, 15804, 16065, 17560, 18360, 18438, 19755, 21420, 22389, 23706, 24584, 25704, 26340, 27657, 29852, 30730, 31608, 32130, 36876, 37315, 39510, 42840, 44778, 46095, 47412, 52241, 52680, 55314, 59265, 59704, 61460, 64260, 67167, 73752, 74630, 79020, 82971, 89556, 92190, 94824, 104482, 110628, 111945, 118530, 122920, 128520, 134334, 138285, 149260, 156723, 158040, 165942, 179112, 184380, 201501, 208964, 221256, 223890, 237060, 261205, 268668, 276570, 298520, 313446, 331884, 335835, 368760, 403002, 414855, 417928, 447780, 470169, 474120, 522410, 537336, 553140, 626892, 663768, 671670, 783615, 806004, 829710, 895560, 940338, 1007505, 1044820, 1106280, 1253784, 1343340, 1410507, 1567230, 1612008, 1659420, 1880676, 2015010, 2089640, 2350845, 2686680, 2821014, 3134460, 3318840, 3761352, 4030020, 4701690, 5642028, 6268920, 7052535, 8060040, 9403380, 11284056, 14105070, 18806760, 28210140, 56420280]

約数ペア:

[(1, 56420280), (2, 28210140), (3, 18806760), (4, 14105070), (5, 11284056), (6, 9403380), (7, 8060040), (8, 7052535), (9, 6268920), (10, 5642028), (12, 4701690), (14, 4030020), (15, 3761352), (17, 3318840), (18, 3134460), (20, 2821014), (21, 2686680), (24, 2350845), (27, 2089640), (28, 2015010), (30, 1880676), (34, 1659420), (35, 1612008), (36, 1567230), (40, 1410507), (42, 1343340), (45, 1253784), (51, 1106280), (54, 1044820), (56, 1007505), (60, 940338), (63, 895560), (68, 829710), (70, 806004), (72, 783615), (84, 671670), (85, 663768), (90, 626892), (102, 553140), (105, 537336), (108, 522410), (119, 474120), (120, 470169), (126, 447780), (135, 417928), (136, 414855), (140, 403002), (153, 368760), (168, 335835), (170, 331884), (180, 313446), (189, 298520), (204, 276570), (210, 268668), (216, 261205), (238, 237060), (252, 223890), (255, 221256), (270, 208964), (280, 201501), (306, 184380), (315, 179112), (340, 165942), (357, 158040), (360, 156723), (378, 149260), (408, 138285), (420, 134334), (439, 128520), (459, 122920), (476, 118530), (504, 111945), (510, 110628), (540, 104482), (595, 94824), (612, 92190), (630, 89556), (680, 82971), (714, 79020), (756, 74630), (765, 73752), (840, 67167), (878, 64260), (918, 61460), (945, 59704), (952, 59265), (1020, 55314), (1071, 52680), (1080, 52241), (1190, 47412), (1224, 46095), (1260, 44778), (1317, 42840), (1428, 39510), (1512, 37315), (1530, 36876), (1756, 32130), (1785, 31608), (1836, 30730), (1890, 29852), (2040, 27657), (2142, 26340), (2195, 25704), (2295, 24584), (2380, 23706), (2520, 22389), (2634, 21420), (2856, 19755), (3060, 18438), (3073, 18360), (3213, 17560), (3512, 16065), (3570, 15804), (3672, 15365), (3780, 14926), (3951, 14280), (4284, 13170), (4390, 12852), (4590, 12292), (4760, 11853), (5268, 10710), (5355, 10536), (6120, 9219), (6146, 9180), (6426, 8780), (6585, 8568), (7140, 7902), (7463, 7560)]