640449108

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47189}}^1$

素因数の和:47241

約数の個数: 72

約数和(自身を含む): 1803601800

約数和(自身を除く): 1163152692

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1508, 2262, 3393, 4524, 6786, 13572, 47189, 94378, 141567, 188756, 283134, 424701, 566268, 613457, 849402, 1226914, 1368481, 1698804, 1840371, 2453828, 2736962, 3680742, 4105443, 5473924, 5521113, 7361484, 8210886, 11042226, 12316329, 16421772, 17790253, 22084452, 24632658, 35580506, 49265316, 53370759, 71161012, 106741518, 160112277, 213483036, 320224554, 640449108]

約数ペア:

[(1, 640449108), (2, 320224554), (3, 213483036), (4, 160112277), (6, 106741518), (9, 71161012), (12, 53370759), (13, 49265316), (18, 35580506), (26, 24632658), (29, 22084452), (36, 17790253), (39, 16421772), (52, 12316329), (58, 11042226), (78, 8210886), (87, 7361484), (116, 5521113), (117, 5473924), (156, 4105443), (174, 3680742), (234, 2736962), (261, 2453828), (348, 1840371), (377, 1698804), (468, 1368481), (522, 1226914), (754, 849402), (1044, 613457), (1131, 566268), (1508, 424701), (2262, 283134), (3393, 188756), (4524, 141567), (6786, 94378), (13572, 47189)]