645880788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{43441}}^1$

素因数の和:43517

約数の個数: 72

約数和(自身を含む): 1897546560

約数和(自身を除く): 1251665772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 59, 63, 84, 118, 126, 177, 236, 252, 354, 413, 531, 708, 826, 1062, 1239, 1652, 2124, 2478, 3717, 4956, 7434, 14868, 43441, 86882, 130323, 173764, 260646, 304087, 390969, 521292, 608174, 781938, 912261, 1216348, 1563876, 1824522, 2563019, 2736783, 3649044, 5126038, 5473566, 7689057, 10252076, 10947132, 15378114, 17941133, 23067171, 30756228, 35882266, 46134342, 53823399, 71764532, 92268684, 107646798, 161470197, 215293596, 322940394, 645880788]

約数ペア:

[(1, 645880788), (2, 322940394), (3, 215293596), (4, 161470197), (6, 107646798), (7, 92268684), (9, 71764532), (12, 53823399), (14, 46134342), (18, 35882266), (21, 30756228), (28, 23067171), (36, 17941133), (42, 15378114), (59, 10947132), (63, 10252076), (84, 7689057), (118, 5473566), (126, 5126038), (177, 3649044), (236, 2736783), (252, 2563019), (354, 1824522), (413, 1563876), (531, 1216348), (708, 912261), (826, 781938), (1062, 608174), (1239, 521292), (1652, 390969), (2124, 304087), (2478, 260646), (3717, 173764), (4956, 130323), (7434, 86882), (14868, 43441)]