204982020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1447}}^1$

素因数の和:2249

約数の個数: 72

約数和(自身を含む): 622999104

約数和(自身を除く): 418017084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 787, 1447, 1574, 2361, 2894, 3148, 3935, 4341, 4722, 5788, 7083, 7235, 7870, 8682, 9444, 11805, 13023, 14166, 14470, 15740, 17364, 21705, 23610, 26046, 28332, 28940, 35415, 43410, 47220, 52092, 65115, 70830, 86820, 130230, 141660, 260460, 1138789, 2277578, 3416367, 4555156, 5693945, 6832734, 10249101, 11387890, 13665468, 17081835, 20498202, 22775780, 34163670, 40996404, 51245505, 68327340, 102491010, 204982020]

約数ペア:

[(1, 204982020), (2, 102491010), (3, 68327340), (4, 51245505), (5, 40996404), (6, 34163670), (9, 22775780), (10, 20498202), (12, 17081835), (15, 13665468), (18, 11387890), (20, 10249101), (30, 6832734), (36, 5693945), (45, 4555156), (60, 3416367), (90, 2277578), (180, 1138789), (787, 260460), (1447, 141660), (1574, 130230), (2361, 86820), (2894, 70830), (3148, 65115), (3935, 52092), (4341, 47220), (4722, 43410), (5788, 35415), (7083, 28940), (7235, 28332), (7870, 26046), (8682, 23610), (9444, 21705), (11805, 17364), (13023, 15740), (14166, 14470)]