38812500

素因数分解:

$2^2\times 3^3\times 5^6\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 168

約数和(自身を含む): 131248320

約数和(自身を除く): 92435820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 45, 46, 50, 54, 60, 69, 75, 90, 92, 100, 108, 115, 125, 135, 138, 150, 180, 207, 225, 230, 250, 270, 276, 300, 345, 375, 414, 450, 460, 500, 540, 575, 621, 625, 675, 690, 750, 828, 900, 1035, 1125, 1150, 1242, 1250, 1350, 1380, 1500, 1725, 1875, 2070, 2250, 2300, 2484, 2500, 2700, 2875, 3105, 3125, 3375, 3450, 3750, 4140, 4500, 5175, 5625, 5750, 6210, 6250, 6750, 6900, 7500, 8625, 9375, 10350, 11250, 11500, 12420, 12500, 13500, 14375, 15525, 15625, 16875, 17250, 18750, 20700, 22500, 25875, 28125, 28750, 31050, 31250, 33750, 34500, 37500, 43125, 46875, 51750, 56250, 57500, 62100, 62500, 67500, 71875, 77625, 84375, 86250, 93750, 103500, 112500, 129375, 140625, 143750, 155250, 168750, 172500, 187500, 215625, 258750, 281250, 287500, 310500, 337500, 359375, 388125, 421875, 431250, 517500, 562500, 646875, 718750, 776250, 843750, 862500, 1078125, 1293750, 1437500, 1552500, 1687500, 1940625, 2156250, 2587500, 3234375, 3881250, 4312500, 6468750, 7762500, 9703125, 12937500, 19406250, 38812500]

約数ペア:

[(1, 38812500), (2, 19406250), (3, 12937500), (4, 9703125), (5, 7762500), (6, 6468750), (9, 4312500), (10, 3881250), (12, 3234375), (15, 2587500), (18, 2156250), (20, 1940625), (23, 1687500), (25, 1552500), (27, 1437500), (30, 1293750), (36, 1078125), (45, 862500), (46, 843750), (50, 776250), (54, 718750), (60, 646875), (69, 562500), (75, 517500), (90, 431250), (92, 421875), (100, 388125), (108, 359375), (115, 337500), (125, 310500), (135, 287500), (138, 281250), (150, 258750), (180, 215625), (207, 187500), (225, 172500), (230, 168750), (250, 155250), (270, 143750), (276, 140625), (300, 129375), (345, 112500), (375, 103500), (414, 93750), (450, 86250), (460, 84375), (500, 77625), (540, 71875), (575, 67500), (621, 62500), (625, 62100), (675, 57500), (690, 56250), (750, 51750), (828, 46875), (900, 43125), (1035, 37500), (1125, 34500), (1150, 33750), (1242, 31250), (1250, 31050), (1350, 28750), (1380, 28125), (1500, 25875), (1725, 22500), (1875, 20700), (2070, 18750), (2250, 17250), (2300, 16875), (2484, 15625), (2500, 15525), (2700, 14375), (2875, 13500), (3105, 12500), (3125, 12420), (3375, 11500), (3450, 11250), (3750, 10350), (4140, 9375), (4500, 8625), (5175, 7500), (5625, 6900), (5750, 6750), (6210, 6250)]