15107540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 38072832

約数和(自身を除く): 22965292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 59, 62, 70, 118, 124, 140, 155, 217, 236, 295, 310, 413, 434, 590, 620, 826, 868, 1085, 1180, 1652, 1829, 2065, 2170, 3481, 3658, 4130, 4340, 6962, 7316, 8260, 9145, 12803, 13924, 17405, 18290, 24367, 25606, 34810, 36580, 48734, 51212, 64015, 69620, 97468, 107911, 121835, 128030, 215822, 243670, 256060, 431644, 487340, 539555, 755377, 1079110, 1510754, 2158220, 3021508, 3776885, 7553770, 15107540]

約数ペア:

[(1, 15107540), (2, 7553770), (4, 3776885), (5, 3021508), (7, 2158220), (10, 1510754), (14, 1079110), (20, 755377), (28, 539555), (31, 487340), (35, 431644), (59, 256060), (62, 243670), (70, 215822), (118, 128030), (124, 121835), (140, 107911), (155, 97468), (217, 69620), (236, 64015), (295, 51212), (310, 48734), (413, 36580), (434, 34810), (590, 25606), (620, 24367), (826, 18290), (868, 17405), (1085, 13924), (1180, 12803), (1652, 9145), (1829, 8260), (2065, 7316), (2170, 6962), (3481, 4340), (3658, 4130)]