210878520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 655050240

約数和(自身を除く): 444171720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 71, 106, 120, 142, 159, 212, 213, 265, 284, 318, 355, 424, 426, 467, 530, 568, 636, 710, 795, 852, 934, 1060, 1065, 1272, 1401, 1420, 1590, 1704, 1868, 2120, 2130, 2335, 2802, 2840, 3180, 3736, 3763, 4260, 4670, 5604, 6360, 7005, 7526, 8520, 9340, 11208, 11289, 14010, 15052, 18680, 18815, 22578, 24751, 28020, 30104, 33157, 37630, 45156, 49502, 56040, 56445, 66314, 74253, 75260, 90312, 99004, 99471, 112890, 123755, 132628, 148506, 150520, 165785, 198008, 198942, 225780, 247510, 265256, 297012, 331570, 371265, 397884, 451560, 495020, 497355, 594024, 663140, 742530, 795768, 990040, 994710, 1326280, 1485060, 1757321, 1989420, 2970120, 3514642, 3978840, 5271963, 7029284, 8786605, 10543926, 14058568, 17573210, 21087852, 26359815, 35146420, 42175704, 52719630, 70292840, 105439260, 210878520]

約数ペア:

[(1, 210878520), (2, 105439260), (3, 70292840), (4, 52719630), (5, 42175704), (6, 35146420), (8, 26359815), (10, 21087852), (12, 17573210), (15, 14058568), (20, 10543926), (24, 8786605), (30, 7029284), (40, 5271963), (53, 3978840), (60, 3514642), (71, 2970120), (106, 1989420), (120, 1757321), (142, 1485060), (159, 1326280), (212, 994710), (213, 990040), (265, 795768), (284, 742530), (318, 663140), (355, 594024), (424, 497355), (426, 495020), (467, 451560), (530, 397884), (568, 371265), (636, 331570), (710, 297012), (795, 265256), (852, 247510), (934, 225780), (1060, 198942), (1065, 198008), (1272, 165785), (1401, 150520), (1420, 148506), (1590, 132628), (1704, 123755), (1868, 112890), (2120, 99471), (2130, 99004), (2335, 90312), (2802, 75260), (2840, 74253), (3180, 66314), (3736, 56445), (3763, 56040), (4260, 49502), (4670, 45156), (5604, 37630), (6360, 33157), (7005, 30104), (7526, 28020), (8520, 24751), (9340, 22578), (11208, 18815), (11289, 18680), (14010, 15052)]