120208920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:585

約数の個数: 128

約数和(自身を含む): 391184640

約数和(自身を除く): 270975720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 251, 260, 307, 312, 390, 502, 520, 614, 753, 780, 921, 1004, 1228, 1255, 1506, 1535, 1560, 1842, 2008, 2456, 2510, 3012, 3070, 3263, 3684, 3765, 3991, 4605, 5020, 6024, 6140, 6526, 7368, 7530, 7982, 9210, 9789, 10040, 11973, 12280, 13052, 15060, 15964, 16315, 18420, 19578, 19955, 23946, 26104, 30120, 31928, 32630, 36840, 39156, 39910, 47892, 48945, 59865, 65260, 77057, 78312, 79820, 95784, 97890, 119730, 130520, 154114, 159640, 195780, 231171, 239460, 308228, 385285, 391560, 462342, 478920, 616456, 770570, 924684, 1001741, 1155855, 1541140, 1849368, 2003482, 2311710, 3005223, 3082280, 4006964, 4623420, 5008705, 6010446, 8013928, 9246840, 10017410, 12020892, 15026115, 20034820, 24041784, 30052230, 40069640, 60104460, 120208920]

約数ペア:

[(1, 120208920), (2, 60104460), (3, 40069640), (4, 30052230), (5, 24041784), (6, 20034820), (8, 15026115), (10, 12020892), (12, 10017410), (13, 9246840), (15, 8013928), (20, 6010446), (24, 5008705), (26, 4623420), (30, 4006964), (39, 3082280), (40, 3005223), (52, 2311710), (60, 2003482), (65, 1849368), (78, 1541140), (104, 1155855), (120, 1001741), (130, 924684), (156, 770570), (195, 616456), (251, 478920), (260, 462342), (307, 391560), (312, 385285), (390, 308228), (502, 239460), (520, 231171), (614, 195780), (753, 159640), (780, 154114), (921, 130520), (1004, 119730), (1228, 97890), (1255, 95784), (1506, 79820), (1535, 78312), (1560, 77057), (1842, 65260), (2008, 59865), (2456, 48945), (2510, 47892), (3012, 39910), (3070, 39156), (3263, 36840), (3684, 32630), (3765, 31928), (3991, 30120), (4605, 26104), (5020, 23946), (6024, 19955), (6140, 19578), (6526, 18420), (7368, 16315), (7530, 15964), (7982, 15060), (9210, 13052), (9789, 12280), (10040, 11973)]