256545900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7309}}^1$

素因数の和:7345

約数の個数: 144

約数和(自身を含む): 888311200

約数和(自身を除く): 631765300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 135, 150, 156, 180, 195, 225, 234, 260, 270, 300, 325, 351, 390, 450, 468, 540, 585, 650, 675, 702, 780, 900, 975, 1170, 1300, 1350, 1404, 1755, 1950, 2340, 2700, 2925, 3510, 3900, 5850, 7020, 7309, 8775, 11700, 14618, 17550, 21927, 29236, 35100, 36545, 43854, 65781, 73090, 87708, 95017, 109635, 131562, 146180, 182725, 190034, 197343, 219270, 263124, 285051, 328905, 365450, 380068, 394686, 438540, 475085, 548175, 570102, 657810, 730900, 789372, 855153, 950170, 986715, 1096350, 1140204, 1315620, 1425255, 1644525, 1710306, 1900340, 1973430, 2192700, 2375425, 2565459, 2850510, 3289050, 3420612, 3946860, 4275765, 4750850, 4933575, 5130918, 5701020, 6578100, 7126275, 8551530, 9501700, 9867150, 10261836, 12827295, 14252550, 17103060, 19734300, 21378825, 25654590, 28505100, 42757650, 51309180, 64136475, 85515300, 128272950, 256545900]

約数ペア:

[(1, 256545900), (2, 128272950), (3, 85515300), (4, 64136475), (5, 51309180), (6, 42757650), (9, 28505100), (10, 25654590), (12, 21378825), (13, 19734300), (15, 17103060), (18, 14252550), (20, 12827295), (25, 10261836), (26, 9867150), (27, 9501700), (30, 8551530), (36, 7126275), (39, 6578100), (45, 5701020), (50, 5130918), (52, 4933575), (54, 4750850), (60, 4275765), (65, 3946860), (75, 3420612), (78, 3289050), (90, 2850510), (100, 2565459), (108, 2375425), (117, 2192700), (130, 1973430), (135, 1900340), (150, 1710306), (156, 1644525), (180, 1425255), (195, 1315620), (225, 1140204), (234, 1096350), (260, 986715), (270, 950170), (300, 855153), (325, 789372), (351, 730900), (390, 657810), (450, 570102), (468, 548175), (540, 475085), (585, 438540), (650, 394686), (675, 380068), (702, 365450), (780, 328905), (900, 285051), (975, 263124), (1170, 219270), (1300, 197343), (1350, 190034), (1404, 182725), (1755, 146180), (1950, 131562), (2340, 109635), (2700, 95017), (2925, 87708), (3510, 73090), (3900, 65781), (5850, 43854), (7020, 36545), (7309, 35100), (8775, 29236), (11700, 21927), (14618, 17550)]