28556580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1237

約数の個数: 96

約数和(自身を含む): 88962048

約数和(自身を除く): 60405468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1181, 1209, 1612, 1860, 2015, 2362, 2418, 3543, 4030, 4724, 4836, 5905, 6045, 7086, 8060, 11810, 12090, 14172, 15353, 17715, 23620, 24180, 30706, 35430, 36611, 46059, 61412, 70860, 73222, 76765, 92118, 109833, 146444, 153530, 183055, 184236, 219666, 230295, 307060, 366110, 439332, 460590, 475943, 549165, 732220, 921180, 951886, 1098330, 1427829, 1903772, 2196660, 2379715, 2855658, 4759430, 5711316, 7139145, 9518860, 14278290, 28556580]

約数ペア:

[(1, 28556580), (2, 14278290), (3, 9518860), (4, 7139145), (5, 5711316), (6, 4759430), (10, 2855658), (12, 2379715), (13, 2196660), (15, 1903772), (20, 1427829), (26, 1098330), (30, 951886), (31, 921180), (39, 732220), (52, 549165), (60, 475943), (62, 460590), (65, 439332), (78, 366110), (93, 307060), (124, 230295), (130, 219666), (155, 184236), (156, 183055), (186, 153530), (195, 146444), (260, 109833), (310, 92118), (372, 76765), (390, 73222), (403, 70860), (465, 61412), (620, 46059), (780, 36611), (806, 35430), (930, 30706), (1181, 24180), (1209, 23620), (1612, 17715), (1860, 15353), (2015, 14172), (2362, 12090), (2418, 11810), (3543, 8060), (4030, 7086), (4724, 6045), (4836, 5905)]