30831750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 84981312

約数和(自身を除く): 54149562

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 125, 142, 150, 193, 213, 225, 250, 355, 375, 386, 426, 450, 579, 639, 710, 750, 965, 1065, 1125, 1158, 1278, 1737, 1775, 1930, 2130, 2250, 2895, 3195, 3474, 3550, 4825, 5325, 5790, 6390, 8685, 8875, 9650, 10650, 13703, 14475, 15975, 17370, 17750, 24125, 26625, 27406, 28950, 31950, 41109, 43425, 48250, 53250, 68515, 72375, 79875, 82218, 86850, 123327, 137030, 144750, 159750, 205545, 217125, 246654, 342575, 411090, 434250, 616635, 685150, 1027725, 1233270, 1712875, 2055450, 3083175, 3425750, 5138625, 6166350, 10277250, 15415875, 30831750]

約数ペア:

[(1, 30831750), (2, 15415875), (3, 10277250), (5, 6166350), (6, 5138625), (9, 3425750), (10, 3083175), (15, 2055450), (18, 1712875), (25, 1233270), (30, 1027725), (45, 685150), (50, 616635), (71, 434250), (75, 411090), (90, 342575), (125, 246654), (142, 217125), (150, 205545), (193, 159750), (213, 144750), (225, 137030), (250, 123327), (355, 86850), (375, 82218), (386, 79875), (426, 72375), (450, 68515), (579, 53250), (639, 48250), (710, 43425), (750, 41109), (965, 31950), (1065, 28950), (1125, 27406), (1158, 26625), (1278, 24125), (1737, 17750), (1775, 17370), (1930, 15975), (2130, 14475), (2250, 13703), (2895, 10650), (3195, 9650), (3474, 8875), (3550, 8685), (4825, 6390), (5325, 5790)]