68137500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 209986560

約数和(自身を除く): 141849060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 79, 92, 100, 115, 125, 138, 150, 158, 230, 237, 250, 276, 300, 316, 345, 375, 395, 460, 474, 500, 575, 625, 690, 750, 790, 948, 1150, 1185, 1250, 1380, 1500, 1580, 1725, 1817, 1875, 1975, 2300, 2370, 2500, 2875, 3125, 3450, 3634, 3750, 3950, 4740, 5451, 5750, 5925, 6250, 6900, 7268, 7500, 7900, 8625, 9085, 9375, 9875, 10902, 11500, 11850, 12500, 14375, 17250, 18170, 18750, 19750, 21804, 23700, 27255, 28750, 29625, 34500, 36340, 37500, 39500, 43125, 45425, 49375, 54510, 57500, 59250, 71875, 86250, 90850, 98750, 109020, 118500, 136275, 143750, 148125, 172500, 181700, 197500, 215625, 227125, 246875, 272550, 287500, 296250, 431250, 454250, 493750, 545100, 592500, 681375, 740625, 862500, 908500, 987500, 1135625, 1362750, 1481250, 2271250, 2725500, 2962500, 3406875, 4542500, 5678125, 6813750, 11356250, 13627500, 17034375, 22712500, 34068750, 68137500]

約数ペア:

[(1, 68137500), (2, 34068750), (3, 22712500), (4, 17034375), (5, 13627500), (6, 11356250), (10, 6813750), (12, 5678125), (15, 4542500), (20, 3406875), (23, 2962500), (25, 2725500), (30, 2271250), (46, 1481250), (50, 1362750), (60, 1135625), (69, 987500), (75, 908500), (79, 862500), (92, 740625), (100, 681375), (115, 592500), (125, 545100), (138, 493750), (150, 454250), (158, 431250), (230, 296250), (237, 287500), (250, 272550), (276, 246875), (300, 227125), (316, 215625), (345, 197500), (375, 181700), (395, 172500), (460, 148125), (474, 143750), (500, 136275), (575, 118500), (625, 109020), (690, 98750), (750, 90850), (790, 86250), (948, 71875), (1150, 59250), (1185, 57500), (1250, 54510), (1380, 49375), (1500, 45425), (1580, 43125), (1725, 39500), (1817, 37500), (1875, 36340), (1975, 34500), (2300, 29625), (2370, 28750), (2500, 27255), (2875, 23700), (3125, 21804), (3450, 19750), (3634, 18750), (3750, 18170), (3950, 17250), (4740, 14375), (5451, 12500), (5750, 11850), (5925, 11500), (6250, 10902), (6900, 9875), (7268, 9375), (7500, 9085), (7900, 8625)]