18871320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12097}}^1$

素因数の和:12124

約数の個数: 64

約数和(自身を含む): 60973920

約数和(自身を除く): 42102600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12097, 24194, 36291, 48388, 60485, 72582, 96776, 120970, 145164, 157261, 181455, 241940, 290328, 314522, 362910, 471783, 483880, 629044, 725820, 786305, 943566, 1258088, 1451640, 1572610, 1887132, 2358915, 3145220, 3774264, 4717830, 6290440, 9435660, 18871320]

約数ペア:

[(1, 18871320), (2, 9435660), (3, 6290440), (4, 4717830), (5, 3774264), (6, 3145220), (8, 2358915), (10, 1887132), (12, 1572610), (13, 1451640), (15, 1258088), (20, 943566), (24, 786305), (26, 725820), (30, 629044), (39, 483880), (40, 471783), (52, 362910), (60, 314522), (65, 290328), (78, 241940), (104, 181455), (120, 157261), (130, 145164), (156, 120970), (195, 96776), (260, 72582), (312, 60485), (390, 48388), (520, 36291), (780, 24194), (1560, 12097)]