645565050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{523}}^1$

素因数の和:765

約数の個数: 144

約数和(自身を含む): 1880275488

約数和(自身を除く): 1234710438

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 211, 225, 234, 325, 390, 422, 450, 523, 585, 633, 650, 975, 1046, 1055, 1170, 1266, 1569, 1899, 1950, 2110, 2615, 2743, 2925, 3138, 3165, 3798, 4707, 5230, 5275, 5486, 5850, 6330, 6799, 7845, 8229, 9414, 9495, 10550, 13075, 13598, 13715, 15690, 15825, 16458, 18990, 20397, 23535, 24687, 26150, 27430, 31650, 33995, 39225, 40794, 41145, 47070, 47475, 49374, 61191, 67990, 68575, 78450, 82290, 94950, 101985, 110353, 117675, 122382, 123435, 137150, 169975, 203970, 205725, 220706, 235350, 246870, 305955, 331059, 339950, 411450, 509925, 551765, 611910, 617175, 662118, 993177, 1019850, 1103530, 1234350, 1434589, 1529775, 1655295, 1986354, 2758825, 2869178, 3059550, 3310590, 4303767, 4965885, 5517650, 7172945, 8276475, 8607534, 9931770, 12911301, 14345890, 16552950, 21518835, 24829425, 25822602, 35864725, 43037670, 49658850, 64556505, 71729450, 107594175, 129113010, 215188350, 322782525, 645565050]

約数ペア:

[(1, 645565050), (2, 322782525), (3, 215188350), (5, 129113010), (6, 107594175), (9, 71729450), (10, 64556505), (13, 49658850), (15, 43037670), (18, 35864725), (25, 25822602), (26, 24829425), (30, 21518835), (39, 16552950), (45, 14345890), (50, 12911301), (65, 9931770), (75, 8607534), (78, 8276475), (90, 7172945), (117, 5517650), (130, 4965885), (150, 4303767), (195, 3310590), (211, 3059550), (225, 2869178), (234, 2758825), (325, 1986354), (390, 1655295), (422, 1529775), (450, 1434589), (523, 1234350), (585, 1103530), (633, 1019850), (650, 993177), (975, 662118), (1046, 617175), (1055, 611910), (1170, 551765), (1266, 509925), (1569, 411450), (1899, 339950), (1950, 331059), (2110, 305955), (2615, 246870), (2743, 235350), (2925, 220706), (3138, 205725), (3165, 203970), (3798, 169975), (4707, 137150), (5230, 123435), (5275, 122382), (5486, 117675), (5850, 110353), (6330, 101985), (6799, 94950), (7845, 82290), (8229, 78450), (9414, 68575), (9495, 67990), (10550, 61191), (13075, 49374), (13598, 47475), (13715, 47070), (15690, 41145), (15825, 40794), (16458, 39225), (18990, 33995), (20397, 31650), (23535, 27430), (24687, 26150)]