128997450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1657}}^1$

素因数の和:1848

約数の個数: 72

約数和(自身を含む): 348786828

約数和(自身を除く): 219789378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 173, 225, 346, 450, 519, 865, 1038, 1557, 1657, 1730, 2595, 3114, 3314, 4325, 4971, 5190, 7785, 8285, 8650, 9942, 12975, 14913, 15570, 16570, 24855, 25950, 29826, 38925, 41425, 49710, 74565, 77850, 82850, 124275, 149130, 248550, 286661, 372825, 573322, 745650, 859983, 1433305, 1719966, 2579949, 2866610, 4299915, 5159898, 7166525, 8599830, 12899745, 14333050, 21499575, 25799490, 42999150, 64498725, 128997450]

約数ペア:

[(1, 128997450), (2, 64498725), (3, 42999150), (5, 25799490), (6, 21499575), (9, 14333050), (10, 12899745), (15, 8599830), (18, 7166525), (25, 5159898), (30, 4299915), (45, 2866610), (50, 2579949), (75, 1719966), (90, 1433305), (150, 859983), (173, 745650), (225, 573322), (346, 372825), (450, 286661), (519, 248550), (865, 149130), (1038, 124275), (1557, 82850), (1657, 77850), (1730, 74565), (2595, 49710), (3114, 41425), (3314, 38925), (4325, 29826), (4971, 25950), (5190, 24855), (7785, 16570), (8285, 15570), (8650, 14913), (9942, 12975)]