81251250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:533

約数の個数: 80

約数和(自身を含む): 207833472

約数和(自身を除く): 126582222

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 47, 50, 75, 94, 125, 141, 150, 235, 250, 282, 375, 461, 470, 625, 705, 750, 922, 1175, 1250, 1383, 1410, 1875, 2305, 2350, 2766, 3525, 3750, 4610, 5875, 6915, 7050, 11525, 11750, 13830, 17625, 21667, 23050, 29375, 34575, 35250, 43334, 57625, 58750, 65001, 69150, 88125, 108335, 115250, 130002, 172875, 176250, 216670, 288125, 325005, 345750, 541675, 576250, 650010, 864375, 1083350, 1625025, 1728750, 2708375, 3250050, 5416750, 8125125, 13541875, 16250250, 27083750, 40625625, 81251250]

約数ペア:

[(1, 81251250), (2, 40625625), (3, 27083750), (5, 16250250), (6, 13541875), (10, 8125125), (15, 5416750), (25, 3250050), (30, 2708375), (47, 1728750), (50, 1625025), (75, 1083350), (94, 864375), (125, 650010), (141, 576250), (150, 541675), (235, 345750), (250, 325005), (282, 288125), (375, 216670), (461, 176250), (470, 172875), (625, 130002), (705, 115250), (750, 108335), (922, 88125), (1175, 69150), (1250, 65001), (1383, 58750), (1410, 57625), (1875, 43334), (2305, 35250), (2350, 34575), (2766, 29375), (3525, 23050), (3750, 21667), (4610, 17625), (5875, 13830), (6915, 11750), (7050, 11525)]