15707532620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{87683}}^1$

素因数の和:87771

約数の個数: 72

約数和(自身を含む): 36392718096

約数和(自身を除く): 20685185476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 265, 338, 530, 676, 689, 845, 1060, 1378, 1690, 2756, 3380, 3445, 6890, 8957, 13780, 17914, 35828, 44785, 87683, 89570, 175366, 179140, 350732, 438415, 876830, 1139879, 1753660, 2279758, 4559516, 4647199, 5699395, 9294398, 11398790, 14818427, 18588796, 22797580, 23235995, 29636854, 46471990, 59273708, 60413587, 74092135, 92943980, 120827174, 148184270, 241654348, 296368540, 302067935, 604135870, 785376631, 1208271740, 1570753262, 3141506524, 3926883155, 7853766310, 15707532620]

約数ペア:

[(1, 15707532620), (2, 7853766310), (4, 3926883155), (5, 3141506524), (10, 1570753262), (13, 1208271740), (20, 785376631), (26, 604135870), (52, 302067935), (53, 296368540), (65, 241654348), (106, 148184270), (130, 120827174), (169, 92943980), (212, 74092135), (260, 60413587), (265, 59273708), (338, 46471990), (530, 29636854), (676, 23235995), (689, 22797580), (845, 18588796), (1060, 14818427), (1378, 11398790), (1690, 9294398), (2756, 5699395), (3380, 4647199), (3445, 4559516), (6890, 2279758), (8957, 1753660), (13780, 1139879), (17914, 876830), (35828, 438415), (44785, 350732), (87683, 179140), (89570, 175366)]