64653750

素因数分解:

$2^1\times 3^2\times 5^4\times 7^1\times {\mathrm{821}}^1$

素因数の和:856

約数の個数: 120

約数和(自身を含む): 200298384

約数和(自身を除く): 135644634

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 125, 126, 150, 175, 210, 225, 250, 315, 350, 375, 450, 525, 625, 630, 750, 821, 875, 1050, 1125, 1250, 1575, 1642, 1750, 1875, 2250, 2463, 2625, 3150, 3750, 4105, 4375, 4926, 5250, 5625, 5747, 7389, 7875, 8210, 8750, 11250, 11494, 12315, 13125, 14778, 15750, 17241, 20525, 24630, 26250, 28735, 34482, 36945, 39375, 41050, 51723, 57470, 61575, 73890, 78750, 86205, 102625, 103446, 123150, 143675, 172410, 184725, 205250, 258615, 287350, 307875, 369450, 431025, 513125, 517230, 615750, 718375, 862050, 923625, 1026250, 1293075, 1436750, 1539375, 1847250, 2155125, 2586150, 3078750, 3591875, 4310250, 4618125, 6465375, 7183750, 9236250, 10775625, 12930750, 21551250, 32326875, 64653750]

約数ペア:

[(1, 64653750), (2, 32326875), (3, 21551250), (5, 12930750), (6, 10775625), (7, 9236250), (9, 7183750), (10, 6465375), (14, 4618125), (15, 4310250), (18, 3591875), (21, 3078750), (25, 2586150), (30, 2155125), (35, 1847250), (42, 1539375), (45, 1436750), (50, 1293075), (63, 1026250), (70, 923625), (75, 862050), (90, 718375), (105, 615750), (125, 517230), (126, 513125), (150, 431025), (175, 369450), (210, 307875), (225, 287350), (250, 258615), (315, 205250), (350, 184725), (375, 172410), (450, 143675), (525, 123150), (625, 103446), (630, 102625), (750, 86205), (821, 78750), (875, 73890), (1050, 61575), (1125, 57470), (1250, 51723), (1575, 41050), (1642, 39375), (1750, 36945), (1875, 34482), (2250, 28735), (2463, 26250), (2625, 24630), (3150, 20525), (3750, 17241), (4105, 15750), (4375, 14778), (4926, 13125), (5250, 12315), (5625, 11494), (5747, 11250), (7389, 8750), (7875, 8210)]