31799820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:775

約数の個数: 96

約数和(自身を含む): 97655040

約数和(自身を除く): 65855220

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, 691, 708, 767, 780, 885, 1180, 1382, 1534, 1770, 2073, 2301, 2764, 3068, 3455, 3540, 3835, 4146, 4602, 6910, 7670, 8292, 8983, 9204, 10365, 11505, 13820, 15340, 17966, 20730, 23010, 26949, 35932, 40769, 41460, 44915, 46020, 53898, 81538, 89830, 107796, 122307, 134745, 163076, 179660, 203845, 244614, 269490, 407690, 489228, 529997, 538980, 611535, 815380, 1059994, 1223070, 1589991, 2119988, 2446140, 2649985, 3179982, 5299970, 6359964, 7949955, 10599940, 15899910, 31799820]

約数ペア:

[(1, 31799820), (2, 15899910), (3, 10599940), (4, 7949955), (5, 6359964), (6, 5299970), (10, 3179982), (12, 2649985), (13, 2446140), (15, 2119988), (20, 1589991), (26, 1223070), (30, 1059994), (39, 815380), (52, 611535), (59, 538980), (60, 529997), (65, 489228), (78, 407690), (118, 269490), (130, 244614), (156, 203845), (177, 179660), (195, 163076), (236, 134745), (260, 122307), (295, 107796), (354, 89830), (390, 81538), (590, 53898), (691, 46020), (708, 44915), (767, 41460), (780, 40769), (885, 35932), (1180, 26949), (1382, 23010), (1534, 20730), (1770, 17966), (2073, 15340), (2301, 13820), (2764, 11505), (3068, 10365), (3455, 9204), (3540, 8983), (3835, 8292), (4146, 7670), (4602, 6910)]