129888180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 419065920

約数和(自身を除く): 289177740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 163, 171, 180, 190, 228, 233, 285, 326, 342, 380, 466, 489, 570, 652, 684, 699, 815, 855, 932, 978, 1140, 1165, 1398, 1467, 1630, 1710, 1956, 2097, 2330, 2445, 2796, 2934, 3097, 3260, 3420, 3495, 4194, 4427, 4660, 4890, 5868, 6194, 6990, 7335, 8388, 8854, 9291, 9780, 10485, 12388, 13281, 13980, 14670, 15485, 17708, 18582, 20970, 22135, 26562, 27873, 29340, 30970, 37164, 37979, 39843, 41940, 44270, 46455, 53124, 55746, 61940, 66405, 75958, 79686, 88540, 92910, 111492, 113937, 132810, 139365, 151916, 159372, 185820, 189895, 199215, 227874, 265620, 278730, 341811, 379790, 398430, 455748, 557460, 569685, 683622, 721601, 759580, 796860, 1139370, 1367244, 1443202, 1709055, 2164803, 2278740, 2886404, 3418110, 3608005, 4329606, 6494409, 6836220, 7216010, 8659212, 10824015, 12988818, 14432020, 21648030, 25977636, 32472045, 43296060, 64944090, 129888180]

約数ペア:

[(1, 129888180), (2, 64944090), (3, 43296060), (4, 32472045), (5, 25977636), (6, 21648030), (9, 14432020), (10, 12988818), (12, 10824015), (15, 8659212), (18, 7216010), (19, 6836220), (20, 6494409), (30, 4329606), (36, 3608005), (38, 3418110), (45, 2886404), (57, 2278740), (60, 2164803), (76, 1709055), (90, 1443202), (95, 1367244), (114, 1139370), (163, 796860), (171, 759580), (180, 721601), (190, 683622), (228, 569685), (233, 557460), (285, 455748), (326, 398430), (342, 379790), (380, 341811), (466, 278730), (489, 265620), (570, 227874), (652, 199215), (684, 189895), (699, 185820), (815, 159372), (855, 151916), (932, 139365), (978, 132810), (1140, 113937), (1165, 111492), (1398, 92910), (1467, 88540), (1630, 79686), (1710, 75958), (1956, 66405), (2097, 61940), (2330, 55746), (2445, 53124), (2796, 46455), (2934, 44270), (3097, 41940), (3260, 39843), (3420, 37979), (3495, 37164), (4194, 30970), (4427, 29340), (4660, 27873), (4890, 26562), (5868, 22135), (6194, 20970), (6990, 18582), (7335, 17708), (8388, 15485), (8854, 14670), (9291, 13980), (9780, 13281), (10485, 12388)]