71587500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 220485888

約数和(自身を除く): 148898388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 83, 92, 100, 115, 125, 138, 150, 166, 230, 249, 250, 276, 300, 332, 345, 375, 415, 460, 498, 500, 575, 625, 690, 750, 830, 996, 1150, 1245, 1250, 1380, 1500, 1660, 1725, 1875, 1909, 2075, 2300, 2490, 2500, 2875, 3125, 3450, 3750, 3818, 4150, 4980, 5727, 5750, 6225, 6250, 6900, 7500, 7636, 8300, 8625, 9375, 9545, 10375, 11454, 11500, 12450, 12500, 14375, 17250, 18750, 19090, 20750, 22908, 24900, 28635, 28750, 31125, 34500, 37500, 38180, 41500, 43125, 47725, 51875, 57270, 57500, 62250, 71875, 86250, 95450, 103750, 114540, 124500, 143175, 143750, 155625, 172500, 190900, 207500, 215625, 238625, 259375, 286350, 287500, 311250, 431250, 477250, 518750, 572700, 622500, 715875, 778125, 862500, 954500, 1037500, 1193125, 1431750, 1556250, 2386250, 2863500, 3112500, 3579375, 4772500, 5965625, 7158750, 11931250, 14317500, 17896875, 23862500, 35793750, 71587500]

約数ペア:

[(1, 71587500), (2, 35793750), (3, 23862500), (4, 17896875), (5, 14317500), (6, 11931250), (10, 7158750), (12, 5965625), (15, 4772500), (20, 3579375), (23, 3112500), (25, 2863500), (30, 2386250), (46, 1556250), (50, 1431750), (60, 1193125), (69, 1037500), (75, 954500), (83, 862500), (92, 778125), (100, 715875), (115, 622500), (125, 572700), (138, 518750), (150, 477250), (166, 431250), (230, 311250), (249, 287500), (250, 286350), (276, 259375), (300, 238625), (332, 215625), (345, 207500), (375, 190900), (415, 172500), (460, 155625), (498, 143750), (500, 143175), (575, 124500), (625, 114540), (690, 103750), (750, 95450), (830, 86250), (996, 71875), (1150, 62250), (1245, 57500), (1250, 57270), (1380, 51875), (1500, 47725), (1660, 43125), (1725, 41500), (1875, 38180), (1909, 37500), (2075, 34500), (2300, 31125), (2490, 28750), (2500, 28635), (2875, 24900), (3125, 22908), (3450, 20750), (3750, 19090), (3818, 18750), (4150, 17250), (4980, 14375), (5727, 12500), (5750, 12450), (6225, 11500), (6250, 11454), (6900, 10375), (7500, 9545), (7636, 9375), (8300, 8625)]