921892880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1481}}^1$

素因数の和:1776

約数の個数: 80

約数和(自身を含む): 2222857728

約数和(自身を除く): 1300964848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 251, 310, 496, 502, 620, 1004, 1240, 1255, 1481, 2008, 2480, 2510, 2962, 4016, 5020, 5924, 7405, 7781, 10040, 11848, 14810, 15562, 20080, 23696, 29620, 31124, 38905, 45911, 59240, 62248, 77810, 91822, 118480, 124496, 155620, 183644, 229555, 311240, 367288, 371731, 459110, 622480, 734576, 743462, 918220, 1486924, 1836440, 1858655, 2973848, 3672880, 3717310, 5947696, 7434620, 11523661, 14869240, 23047322, 29738480, 46094644, 57618305, 92189288, 115236610, 184378576, 230473220, 460946440, 921892880]

約数ペア:

[(1, 921892880), (2, 460946440), (4, 230473220), (5, 184378576), (8, 115236610), (10, 92189288), (16, 57618305), (20, 46094644), (31, 29738480), (40, 23047322), (62, 14869240), (80, 11523661), (124, 7434620), (155, 5947696), (248, 3717310), (251, 3672880), (310, 2973848), (496, 1858655), (502, 1836440), (620, 1486924), (1004, 918220), (1240, 743462), (1255, 734576), (1481, 622480), (2008, 459110), (2480, 371731), (2510, 367288), (2962, 311240), (4016, 229555), (5020, 183644), (5924, 155620), (7405, 124496), (7781, 118480), (10040, 91822), (11848, 77810), (14810, 62248), (15562, 59240), (20080, 45911), (23696, 38905), (29620, 31124)]