79868100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20479}}^1$

素因数の和:20509

約数の個数: 72

約数和(自身を含む): 248872960

約数和(自身を除く): 169004860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 20479, 40958, 61437, 81916, 102395, 122874, 204790, 245748, 266227, 307185, 409580, 511975, 532454, 614370, 798681, 1023950, 1064908, 1228740, 1331135, 1535925, 1597362, 2047900, 2662270, 3071850, 3194724, 3993405, 5324540, 6143700, 6655675, 7986810, 13311350, 15973620, 19967025, 26622700, 39934050, 79868100]

約数ペア:

[(1, 79868100), (2, 39934050), (3, 26622700), (4, 19967025), (5, 15973620), (6, 13311350), (10, 7986810), (12, 6655675), (13, 6143700), (15, 5324540), (20, 3993405), (25, 3194724), (26, 3071850), (30, 2662270), (39, 2047900), (50, 1597362), (52, 1535925), (60, 1331135), (65, 1228740), (75, 1064908), (78, 1023950), (100, 798681), (130, 614370), (150, 532454), (156, 511975), (195, 409580), (260, 307185), (300, 266227), (325, 245748), (390, 204790), (650, 122874), (780, 102395), (975, 81916), (1300, 61437), (1950, 40958), (3900, 20479)]