31431660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{683}}^1$

素因数の和:767

約数の個数: 96

約数和(自身を含む): 96526080

約数和(自身を除く): 65094420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 59, 60, 65, 78, 118, 130, 156, 177, 195, 236, 260, 295, 354, 390, 590, 683, 708, 767, 780, 885, 1180, 1366, 1534, 1770, 2049, 2301, 2732, 3068, 3415, 3540, 3835, 4098, 4602, 6830, 7670, 8196, 8879, 9204, 10245, 11505, 13660, 15340, 17758, 20490, 23010, 26637, 35516, 40297, 40980, 44395, 46020, 53274, 80594, 88790, 106548, 120891, 133185, 161188, 177580, 201485, 241782, 266370, 402970, 483564, 523861, 532740, 604455, 805940, 1047722, 1208910, 1571583, 2095444, 2417820, 2619305, 3143166, 5238610, 6286332, 7857915, 10477220, 15715830, 31431660]

約数ペア:

[(1, 31431660), (2, 15715830), (3, 10477220), (4, 7857915), (5, 6286332), (6, 5238610), (10, 3143166), (12, 2619305), (13, 2417820), (15, 2095444), (20, 1571583), (26, 1208910), (30, 1047722), (39, 805940), (52, 604455), (59, 532740), (60, 523861), (65, 483564), (78, 402970), (118, 266370), (130, 241782), (156, 201485), (177, 177580), (195, 161188), (236, 133185), (260, 120891), (295, 106548), (354, 88790), (390, 80594), (590, 53274), (683, 46020), (708, 44395), (767, 40980), (780, 40297), (885, 35516), (1180, 26637), (1366, 23010), (1534, 20490), (1770, 17758), (2049, 15340), (2301, 13660), (2732, 11505), (3068, 10245), (3415, 9204), (3540, 8879), (3835, 8196), (4098, 7670), (4602, 6830)]