31417500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 94469760

約数和(自身を除く): 63052260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 59, 60, 71, 75, 100, 118, 125, 142, 150, 177, 213, 236, 250, 284, 295, 300, 354, 355, 375, 426, 500, 590, 625, 708, 710, 750, 852, 885, 1065, 1180, 1250, 1420, 1475, 1500, 1770, 1775, 1875, 2130, 2500, 2950, 3540, 3550, 3750, 4189, 4260, 4425, 5325, 5900, 7100, 7375, 7500, 8378, 8850, 8875, 10650, 12567, 14750, 16756, 17700, 17750, 20945, 21300, 22125, 25134, 26625, 29500, 35500, 36875, 41890, 44250, 44375, 50268, 53250, 62835, 73750, 83780, 88500, 88750, 104725, 106500, 110625, 125670, 133125, 147500, 177500, 209450, 221250, 251340, 266250, 314175, 418900, 442500, 523625, 532500, 628350, 1047250, 1256700, 1570875, 2094500, 2618125, 3141750, 5236250, 6283500, 7854375, 10472500, 15708750, 31417500]

約数ペア:

[(1, 31417500), (2, 15708750), (3, 10472500), (4, 7854375), (5, 6283500), (6, 5236250), (10, 3141750), (12, 2618125), (15, 2094500), (20, 1570875), (25, 1256700), (30, 1047250), (50, 628350), (59, 532500), (60, 523625), (71, 442500), (75, 418900), (100, 314175), (118, 266250), (125, 251340), (142, 221250), (150, 209450), (177, 177500), (213, 147500), (236, 133125), (250, 125670), (284, 110625), (295, 106500), (300, 104725), (354, 88750), (355, 88500), (375, 83780), (426, 73750), (500, 62835), (590, 53250), (625, 50268), (708, 44375), (710, 44250), (750, 41890), (852, 36875), (885, 35500), (1065, 29500), (1180, 26625), (1250, 25134), (1420, 22125), (1475, 21300), (1500, 20945), (1770, 17750), (1775, 17700), (1875, 16756), (2130, 14750), (2500, 12567), (2950, 10650), (3540, 8875), (3550, 8850), (3750, 8378), (4189, 7500), (4260, 7375), (4425, 7100), (5325, 5900)]