215761860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12889}}^1$

素因数の和:12938

約数の個数: 96

約数和(自身を含む): 692966400

約数和(自身を除く): 477204540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 5580, 8370, 12889, 16740, 25778, 38667, 51556, 64445, 77334, 116001, 128890, 154668, 193335, 232002, 257780, 348003, 386670, 399559, 464004, 580005, 696006, 773340, 799118, 1160010, 1198677, 1392012, 1598236, 1740015, 1997795, 2320020, 2397354, 3480030, 3596031, 3995590, 4794708, 5993385, 6960060, 7192062, 7991180, 10788093, 11986770, 14384124, 17980155, 21576186, 23973540, 35960310, 43152372, 53940465, 71920620, 107880930, 215761860]

約数ペア:

[(1, 215761860), (2, 107880930), (3, 71920620), (4, 53940465), (5, 43152372), (6, 35960310), (9, 23973540), (10, 21576186), (12, 17980155), (15, 14384124), (18, 11986770), (20, 10788093), (27, 7991180), (30, 7192062), (31, 6960060), (36, 5993385), (45, 4794708), (54, 3995590), (60, 3596031), (62, 3480030), (90, 2397354), (93, 2320020), (108, 1997795), (124, 1740015), (135, 1598236), (155, 1392012), (180, 1198677), (186, 1160010), (270, 799118), (279, 773340), (310, 696006), (372, 580005), (465, 464004), (540, 399559), (558, 386670), (620, 348003), (837, 257780), (930, 232002), (1116, 193335), (1395, 154668), (1674, 128890), (1860, 116001), (2790, 77334), (3348, 64445), (4185, 51556), (5580, 38667), (8370, 25778), (12889, 16740)]