71223880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1151}}^1$

素因数の和:1199

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 137795000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1151, 1190, 1547, 1768, 1820, 2210, 2302, 2380, 3094, 3640, 4420, 4604, 4760, 5755, 6188, 7735, 8057, 8840, 9208, 11510, 12376, 14963, 15470, 16114, 19567, 23020, 29926, 30940, 32228, 39134, 40285, 46040, 59852, 61880, 64456, 74815, 78268, 80570, 97835, 104741, 119704, 136969, 149630, 156536, 161140, 195670, 209482, 254371, 273938, 299260, 322280, 391340, 418964, 508742, 523705, 547876, 598520, 684845, 782680, 837928, 1017484, 1047410, 1095752, 1271855, 1369690, 1780597, 2034968, 2094820, 2543710, 2739380, 3561194, 4189640, 5087420, 5478760, 7122388, 8902985, 10174840, 14244776, 17805970, 35611940, 71223880]

約数ペア:

[(1, 71223880), (2, 35611940), (4, 17805970), (5, 14244776), (7, 10174840), (8, 8902985), (10, 7122388), (13, 5478760), (14, 5087420), (17, 4189640), (20, 3561194), (26, 2739380), (28, 2543710), (34, 2094820), (35, 2034968), (40, 1780597), (52, 1369690), (56, 1271855), (65, 1095752), (68, 1047410), (70, 1017484), (85, 837928), (91, 782680), (104, 684845), (119, 598520), (130, 547876), (136, 523705), (140, 508742), (170, 418964), (182, 391340), (221, 322280), (238, 299260), (260, 273938), (280, 254371), (340, 209482), (364, 195670), (442, 161140), (455, 156536), (476, 149630), (520, 136969), (595, 119704), (680, 104741), (728, 97835), (884, 80570), (910, 78268), (952, 74815), (1105, 64456), (1151, 61880), (1190, 59852), (1547, 46040), (1768, 40285), (1820, 39134), (2210, 32228), (2302, 30940), (2380, 29926), (3094, 23020), (3640, 19567), (4420, 16114), (4604, 15470), (4760, 14963), (5755, 12376), (6188, 11510), (7735, 9208), (8057, 8840)]