56515500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 144

約数和(自身を含む): 187955040

約数和(自身を除く): 131439540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 285, 300, 342, 375, 380, 450, 475, 500, 570, 661, 684, 750, 855, 900, 950, 1125, 1140, 1322, 1425, 1500, 1710, 1900, 1983, 2250, 2375, 2644, 2850, 3305, 3420, 3966, 4275, 4500, 4750, 5700, 5949, 6610, 7125, 7932, 8550, 9500, 9915, 11898, 12559, 13220, 14250, 16525, 17100, 19830, 21375, 23796, 25118, 28500, 29745, 33050, 37677, 39660, 42750, 49575, 50236, 59490, 62795, 66100, 75354, 82625, 85500, 99150, 113031, 118980, 125590, 148725, 150708, 165250, 188385, 198300, 226062, 247875, 251180, 297450, 313975, 330500, 376770, 452124, 495750, 565155, 594900, 627950, 743625, 753540, 941925, 991500, 1130310, 1255900, 1487250, 1569875, 1883850, 2260620, 2825775, 2974500, 3139750, 3767700, 4709625, 5651550, 6279500, 9419250, 11303100, 14128875, 18838500, 28257750, 56515500]

約数ペア:

[(1, 56515500), (2, 28257750), (3, 18838500), (4, 14128875), (5, 11303100), (6, 9419250), (9, 6279500), (10, 5651550), (12, 4709625), (15, 3767700), (18, 3139750), (19, 2974500), (20, 2825775), (25, 2260620), (30, 1883850), (36, 1569875), (38, 1487250), (45, 1255900), (50, 1130310), (57, 991500), (60, 941925), (75, 753540), (76, 743625), (90, 627950), (95, 594900), (100, 565155), (114, 495750), (125, 452124), (150, 376770), (171, 330500), (180, 313975), (190, 297450), (225, 251180), (228, 247875), (250, 226062), (285, 198300), (300, 188385), (342, 165250), (375, 150708), (380, 148725), (450, 125590), (475, 118980), (500, 113031), (570, 99150), (661, 85500), (684, 82625), (750, 75354), (855, 66100), (900, 62795), (950, 59490), (1125, 50236), (1140, 49575), (1322, 42750), (1425, 39660), (1500, 37677), (1710, 33050), (1900, 29745), (1983, 28500), (2250, 25118), (2375, 23796), (2644, 21375), (2850, 19830), (3305, 17100), (3420, 16525), (3966, 14250), (4275, 13220), (4500, 12559), (4750, 11898), (5700, 9915), (5949, 9500), (6610, 8550), (7125, 7932)]