163650520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 425917440

約数和(自身を除く): 262266920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 103, 110, 115, 157, 184, 206, 220, 230, 253, 314, 412, 440, 460, 506, 515, 628, 785, 824, 920, 1012, 1030, 1133, 1256, 1265, 1570, 1727, 2024, 2060, 2266, 2369, 2530, 3140, 3454, 3611, 4120, 4532, 4738, 5060, 5665, 6280, 6908, 7222, 8635, 9064, 9476, 10120, 11330, 11845, 13816, 14444, 16171, 17270, 18055, 18952, 22660, 23690, 26059, 28888, 32342, 34540, 36110, 39721, 45320, 47380, 52118, 64684, 69080, 72220, 79442, 80855, 94760, 104236, 129368, 130295, 144440, 158884, 161710, 177881, 198605, 208472, 260590, 317768, 323420, 355762, 371933, 397210, 521180, 646840, 711524, 743866, 794420, 889405, 1042360, 1423048, 1487732, 1588840, 1778810, 1859665, 2975464, 3557620, 3719330, 4091263, 7115240, 7438660, 8182526, 14877320, 16365052, 20456315, 32730104, 40912630, 81825260, 163650520]

約数ペア:

[(1, 163650520), (2, 81825260), (4, 40912630), (5, 32730104), (8, 20456315), (10, 16365052), (11, 14877320), (20, 8182526), (22, 7438660), (23, 7115240), (40, 4091263), (44, 3719330), (46, 3557620), (55, 2975464), (88, 1859665), (92, 1778810), (103, 1588840), (110, 1487732), (115, 1423048), (157, 1042360), (184, 889405), (206, 794420), (220, 743866), (230, 711524), (253, 646840), (314, 521180), (412, 397210), (440, 371933), (460, 355762), (506, 323420), (515, 317768), (628, 260590), (785, 208472), (824, 198605), (920, 177881), (1012, 161710), (1030, 158884), (1133, 144440), (1256, 130295), (1265, 129368), (1570, 104236), (1727, 94760), (2024, 80855), (2060, 79442), (2266, 72220), (2369, 69080), (2530, 64684), (3140, 52118), (3454, 47380), (3611, 45320), (4120, 39721), (4532, 36110), (4738, 34540), (5060, 32342), (5665, 28888), (6280, 26059), (6908, 23690), (7222, 22660), (8635, 18952), (9064, 18055), (9476, 17270), (10120, 16171), (11330, 14444), (11845, 13816)]