31666920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 108630720

約数和(自身を除く): 76963800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 43, 51, 57, 60, 68, 76, 85, 86, 95, 102, 114, 120, 129, 136, 152, 170, 172, 190, 204, 215, 228, 255, 258, 285, 323, 340, 344, 361, 380, 408, 430, 456, 510, 516, 570, 645, 646, 680, 722, 731, 760, 817, 860, 969, 1020, 1032, 1083, 1140, 1290, 1292, 1444, 1462, 1615, 1634, 1720, 1805, 1938, 2040, 2166, 2193, 2280, 2451, 2580, 2584, 2888, 2924, 3230, 3268, 3610, 3655, 3876, 4085, 4332, 4386, 4845, 4902, 5160, 5415, 5848, 6137, 6460, 6536, 7220, 7310, 7752, 8170, 8664, 8772, 9690, 9804, 10830, 10965, 12255, 12274, 12920, 13889, 14440, 14620, 15523, 16340, 17544, 18411, 19380, 19608, 21660, 21930, 24510, 24548, 27778, 29240, 30685, 31046, 32680, 36822, 38760, 41667, 43320, 43860, 46569, 49020, 49096, 55556, 61370, 62092, 69445, 73644, 77615, 83334, 87720, 92055, 93138, 98040, 111112, 122740, 124184, 138890, 147288, 155230, 166668, 184110, 186276, 208335, 232845, 245480, 263891, 277780, 310460, 333336, 368220, 372552, 416670, 465690, 527782, 555560, 620920, 736440, 791673, 833340, 931380, 1055564, 1319455, 1583346, 1666680, 1862760, 2111128, 2638910, 3166692, 3958365, 5277820, 6333384, 7916730, 10555640, 15833460, 31666920]

約数ペア:

[(1, 31666920), (2, 15833460), (3, 10555640), (4, 7916730), (5, 6333384), (6, 5277820), (8, 3958365), (10, 3166692), (12, 2638910), (15, 2111128), (17, 1862760), (19, 1666680), (20, 1583346), (24, 1319455), (30, 1055564), (34, 931380), (38, 833340), (40, 791673), (43, 736440), (51, 620920), (57, 555560), (60, 527782), (68, 465690), (76, 416670), (85, 372552), (86, 368220), (95, 333336), (102, 310460), (114, 277780), (120, 263891), (129, 245480), (136, 232845), (152, 208335), (170, 186276), (172, 184110), (190, 166668), (204, 155230), (215, 147288), (228, 138890), (255, 124184), (258, 122740), (285, 111112), (323, 98040), (340, 93138), (344, 92055), (361, 87720), (380, 83334), (408, 77615), (430, 73644), (456, 69445), (510, 62092), (516, 61370), (570, 55556), (645, 49096), (646, 49020), (680, 46569), (722, 43860), (731, 43320), (760, 41667), (817, 38760), (860, 36822), (969, 32680), (1020, 31046), (1032, 30685), (1083, 29240), (1140, 27778), (1290, 24548), (1292, 24510), (1444, 21930), (1462, 21660), (1615, 19608), (1634, 19380), (1720, 18411), (1805, 17544), (1938, 16340), (2040, 15523), (2166, 14620), (2193, 14440), (2280, 13889), (2451, 12920), (2580, 12274), (2584, 12255), (2888, 10965), (2924, 10830), (3230, 9804), (3268, 9690), (3610, 8772), (3655, 8664), (3876, 8170), (4085, 7752), (4332, 7310), (4386, 7220), (4845, 6536), (4902, 6460), (5160, 6137), (5415, 5848)]