8991450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 27420120

約数和(自身を除く): 18428670

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 29, 30, 39, 45, 50, 53, 58, 65, 75, 78, 87, 90, 106, 117, 130, 145, 150, 159, 174, 195, 225, 234, 261, 265, 290, 318, 325, 377, 390, 435, 450, 477, 522, 530, 585, 650, 689, 725, 754, 795, 870, 954, 975, 1131, 1170, 1305, 1325, 1378, 1450, 1537, 1590, 1885, 1950, 2067, 2175, 2262, 2385, 2610, 2650, 2925, 3074, 3393, 3445, 3770, 3975, 4134, 4350, 4611, 4770, 5655, 5850, 6201, 6525, 6786, 6890, 7685, 7950, 9222, 9425, 10335, 11310, 11925, 12402, 13050, 13833, 15370, 16965, 17225, 18850, 19981, 20670, 23055, 23850, 27666, 28275, 31005, 33930, 34450, 38425, 39962, 46110, 51675, 56550, 59943, 62010, 69165, 76850, 84825, 99905, 103350, 115275, 119886, 138330, 155025, 169650, 179829, 199810, 230550, 299715, 310050, 345825, 359658, 499525, 599430, 691650, 899145, 999050, 1498575, 1798290, 2997150, 4495725, 8991450]

約数ペア:

[(1, 8991450), (2, 4495725), (3, 2997150), (5, 1798290), (6, 1498575), (9, 999050), (10, 899145), (13, 691650), (15, 599430), (18, 499525), (25, 359658), (26, 345825), (29, 310050), (30, 299715), (39, 230550), (45, 199810), (50, 179829), (53, 169650), (58, 155025), (65, 138330), (75, 119886), (78, 115275), (87, 103350), (90, 99905), (106, 84825), (117, 76850), (130, 69165), (145, 62010), (150, 59943), (159, 56550), (174, 51675), (195, 46110), (225, 39962), (234, 38425), (261, 34450), (265, 33930), (290, 31005), (318, 28275), (325, 27666), (377, 23850), (390, 23055), (435, 20670), (450, 19981), (477, 18850), (522, 17225), (530, 16965), (585, 15370), (650, 13833), (689, 13050), (725, 12402), (754, 11925), (795, 11310), (870, 10335), (954, 9425), (975, 9222), (1131, 7950), (1170, 7685), (1305, 6890), (1325, 6786), (1378, 6525), (1450, 6201), (1537, 5850), (1590, 5655), (1885, 4770), (1950, 4611), (2067, 4350), (2175, 4134), (2262, 3975), (2385, 3770), (2610, 3445), (2650, 3393), (2925, 3074)]