18131880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 59875200

約数和(自身を除く): 41743320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 59, 60, 65, 78, 104, 118, 120, 130, 156, 177, 195, 197, 236, 260, 295, 312, 354, 390, 394, 472, 520, 590, 591, 708, 767, 780, 788, 885, 985, 1180, 1182, 1416, 1534, 1560, 1576, 1770, 1970, 2301, 2360, 2364, 2561, 2955, 3068, 3540, 3835, 3940, 4602, 4728, 5122, 5910, 6136, 7080, 7670, 7683, 7880, 9204, 10244, 11505, 11623, 11820, 12805, 15340, 15366, 18408, 20488, 23010, 23246, 23640, 25610, 30680, 30732, 34869, 38415, 46020, 46492, 51220, 58115, 61464, 69738, 76830, 92040, 92984, 102440, 116230, 139476, 151099, 153660, 174345, 232460, 278952, 302198, 307320, 348690, 453297, 464920, 604396, 697380, 755495, 906594, 1208792, 1394760, 1510990, 1813188, 2266485, 3021980, 3626376, 4532970, 6043960, 9065940, 18131880]

約数ペア:

[(1, 18131880), (2, 9065940), (3, 6043960), (4, 4532970), (5, 3626376), (6, 3021980), (8, 2266485), (10, 1813188), (12, 1510990), (13, 1394760), (15, 1208792), (20, 906594), (24, 755495), (26, 697380), (30, 604396), (39, 464920), (40, 453297), (52, 348690), (59, 307320), (60, 302198), (65, 278952), (78, 232460), (104, 174345), (118, 153660), (120, 151099), (130, 139476), (156, 116230), (177, 102440), (195, 92984), (197, 92040), (236, 76830), (260, 69738), (295, 61464), (312, 58115), (354, 51220), (390, 46492), (394, 46020), (472, 38415), (520, 34869), (590, 30732), (591, 30680), (708, 25610), (767, 23640), (780, 23246), (788, 23010), (885, 20488), (985, 18408), (1180, 15366), (1182, 15340), (1416, 12805), (1534, 11820), (1560, 11623), (1576, 11505), (1770, 10244), (1970, 9204), (2301, 7880), (2360, 7683), (2364, 7670), (2561, 7080), (2955, 6136), (3068, 5910), (3540, 5122), (3835, 4728), (3940, 4602)]