31987020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1783}}^1$

素因数の和:1831

約数の個数: 96

約数和(自身を含む): 100703232

約数和(自身を除く): 68716212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1196, 1380, 1495, 1783, 1794, 2990, 3566, 3588, 4485, 5349, 5980, 7132, 8915, 8970, 10698, 17830, 17940, 21396, 23179, 26745, 35660, 41009, 46358, 53490, 69537, 82018, 92716, 106980, 115895, 123027, 139074, 164036, 205045, 231790, 246054, 278148, 347685, 410090, 463580, 492108, 533117, 615135, 695370, 820180, 1066234, 1230270, 1390740, 1599351, 2132468, 2460540, 2665585, 3198702, 5331170, 6397404, 7996755, 10662340, 15993510, 31987020]

約数ペア:

[(1, 31987020), (2, 15993510), (3, 10662340), (4, 7996755), (5, 6397404), (6, 5331170), (10, 3198702), (12, 2665585), (13, 2460540), (15, 2132468), (20, 1599351), (23, 1390740), (26, 1230270), (30, 1066234), (39, 820180), (46, 695370), (52, 615135), (60, 533117), (65, 492108), (69, 463580), (78, 410090), (92, 347685), (115, 278148), (130, 246054), (138, 231790), (156, 205045), (195, 164036), (230, 139074), (260, 123027), (276, 115895), (299, 106980), (345, 92716), (390, 82018), (460, 69537), (598, 53490), (690, 46358), (780, 41009), (897, 35660), (1196, 26745), (1380, 23179), (1495, 21396), (1783, 17940), (1794, 17830), (2990, 10698), (3566, 8970), (3588, 8915), (4485, 7132), (5349, 5980)]