128488920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1013}}^1$

素因数の和:1185

約数の個数: 128

約数和(自身を含む): 443888640

約数和(自身を除く): 315399720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 151, 168, 210, 280, 302, 420, 453, 604, 755, 840, 906, 1013, 1057, 1208, 1510, 1812, 2026, 2114, 2265, 3020, 3039, 3171, 3624, 4052, 4228, 4530, 5065, 5285, 6040, 6078, 6342, 7091, 8104, 8456, 9060, 10130, 10570, 12156, 12684, 14182, 15195, 15855, 18120, 20260, 21140, 21273, 24312, 25368, 28364, 30390, 31710, 35455, 40520, 42280, 42546, 56728, 60780, 63420, 70910, 85092, 106365, 121560, 126840, 141820, 152963, 170184, 212730, 283640, 305926, 425460, 458889, 611852, 764815, 850920, 917778, 1070741, 1223704, 1529630, 1835556, 2141482, 2294445, 3059260, 3212223, 3671112, 4282964, 4588890, 5353705, 6118520, 6424446, 8565928, 9177780, 10707410, 12848892, 16061115, 18355560, 21414820, 25697784, 32122230, 42829640, 64244460, 128488920]

約数ペア:

[(1, 128488920), (2, 64244460), (3, 42829640), (4, 32122230), (5, 25697784), (6, 21414820), (7, 18355560), (8, 16061115), (10, 12848892), (12, 10707410), (14, 9177780), (15, 8565928), (20, 6424446), (21, 6118520), (24, 5353705), (28, 4588890), (30, 4282964), (35, 3671112), (40, 3212223), (42, 3059260), (56, 2294445), (60, 2141482), (70, 1835556), (84, 1529630), (105, 1223704), (120, 1070741), (140, 917778), (151, 850920), (168, 764815), (210, 611852), (280, 458889), (302, 425460), (420, 305926), (453, 283640), (604, 212730), (755, 170184), (840, 152963), (906, 141820), (1013, 126840), (1057, 121560), (1208, 106365), (1510, 85092), (1812, 70910), (2026, 63420), (2114, 60780), (2265, 56728), (3020, 42546), (3039, 42280), (3171, 40520), (3624, 35455), (4052, 31710), (4228, 30390), (4530, 28364), (5065, 25368), (5285, 24312), (6040, 21273), (6078, 21140), (6342, 20260), (7091, 18120), (8104, 15855), (8456, 15195), (9060, 14182), (10130, 12684), (10570, 12156)]