31307250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:78

約数の個数: 128

約数和(自身を含む): 89107200

約数和(自身を除く): 57799950

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 30, 38, 39, 50, 57, 65, 75, 78, 95, 114, 125, 130, 150, 169, 190, 195, 247, 250, 285, 325, 338, 375, 390, 475, 494, 507, 570, 650, 741, 750, 845, 950, 975, 1014, 1235, 1425, 1482, 1625, 1690, 1950, 2197, 2375, 2470, 2535, 2850, 3211, 3250, 3705, 4225, 4394, 4750, 4875, 5070, 6175, 6422, 6591, 7125, 7410, 8450, 9633, 9750, 10985, 12350, 12675, 13182, 14250, 16055, 18525, 19266, 21125, 21970, 25350, 30875, 32110, 32955, 37050, 41743, 42250, 48165, 54925, 61750, 63375, 65910, 80275, 83486, 92625, 96330, 109850, 125229, 126750, 160550, 164775, 185250, 208715, 240825, 250458, 274625, 329550, 401375, 417430, 481650, 549250, 626145, 802750, 823875, 1043575, 1204125, 1252290, 1647750, 2087150, 2408250, 3130725, 5217875, 6261450, 10435750, 15653625, 31307250]

約数ペア:

[(1, 31307250), (2, 15653625), (3, 10435750), (5, 6261450), (6, 5217875), (10, 3130725), (13, 2408250), (15, 2087150), (19, 1647750), (25, 1252290), (26, 1204125), (30, 1043575), (38, 823875), (39, 802750), (50, 626145), (57, 549250), (65, 481650), (75, 417430), (78, 401375), (95, 329550), (114, 274625), (125, 250458), (130, 240825), (150, 208715), (169, 185250), (190, 164775), (195, 160550), (247, 126750), (250, 125229), (285, 109850), (325, 96330), (338, 92625), (375, 83486), (390, 80275), (475, 65910), (494, 63375), (507, 61750), (570, 54925), (650, 48165), (741, 42250), (750, 41743), (845, 37050), (950, 32955), (975, 32110), (1014, 30875), (1235, 25350), (1425, 21970), (1482, 21125), (1625, 19266), (1690, 18525), (1950, 16055), (2197, 14250), (2375, 13182), (2470, 12675), (2535, 12350), (2850, 10985), (3211, 9750), (3250, 9633), (3705, 8450), (4225, 7410), (4394, 7125), (4750, 6591), (4875, 6422), (5070, 6175)]