64687500

素因数分解:

$2^2\times 3^2\times 5^7\times {\mathrm{23}}^1$

素因数の和:68

約数の個数: 144

約数和(自身を含む): 213280704

約数和(自身を除く): 148593204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 45, 46, 50, 60, 69, 75, 90, 92, 100, 115, 125, 138, 150, 180, 207, 225, 230, 250, 276, 300, 345, 375, 414, 450, 460, 500, 575, 625, 690, 750, 828, 900, 1035, 1125, 1150, 1250, 1380, 1500, 1725, 1875, 2070, 2250, 2300, 2500, 2875, 3125, 3450, 3750, 4140, 4500, 5175, 5625, 5750, 6250, 6900, 7500, 8625, 9375, 10350, 11250, 11500, 12500, 14375, 15625, 17250, 18750, 20700, 22500, 25875, 28125, 28750, 31250, 34500, 37500, 43125, 46875, 51750, 56250, 57500, 62500, 71875, 78125, 86250, 93750, 103500, 112500, 129375, 140625, 143750, 156250, 172500, 187500, 215625, 234375, 258750, 281250, 287500, 312500, 359375, 431250, 468750, 517500, 562500, 646875, 703125, 718750, 862500, 937500, 1078125, 1293750, 1406250, 1437500, 1796875, 2156250, 2587500, 2812500, 3234375, 3593750, 4312500, 5390625, 6468750, 7187500, 10781250, 12937500, 16171875, 21562500, 32343750, 64687500]

約数ペア:

[(1, 64687500), (2, 32343750), (3, 21562500), (4, 16171875), (5, 12937500), (6, 10781250), (9, 7187500), (10, 6468750), (12, 5390625), (15, 4312500), (18, 3593750), (20, 3234375), (23, 2812500), (25, 2587500), (30, 2156250), (36, 1796875), (45, 1437500), (46, 1406250), (50, 1293750), (60, 1078125), (69, 937500), (75, 862500), (90, 718750), (92, 703125), (100, 646875), (115, 562500), (125, 517500), (138, 468750), (150, 431250), (180, 359375), (207, 312500), (225, 287500), (230, 281250), (250, 258750), (276, 234375), (300, 215625), (345, 187500), (375, 172500), (414, 156250), (450, 143750), (460, 140625), (500, 129375), (575, 112500), (625, 103500), (690, 93750), (750, 86250), (828, 78125), (900, 71875), (1035, 62500), (1125, 57500), (1150, 56250), (1250, 51750), (1380, 46875), (1500, 43125), (1725, 37500), (1875, 34500), (2070, 31250), (2250, 28750), (2300, 28125), (2500, 25875), (2875, 22500), (3125, 20700), (3450, 18750), (3750, 17250), (4140, 15625), (4500, 14375), (5175, 12500), (5625, 11500), (5750, 11250), (6250, 10350), (6900, 9375), (7500, 8625)]