320419980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{33587}}^1$

素因数の和:33655

約数の個数: 72

約数和(自身を含む): 990308592

約数和(自身を除く): 669888612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 33587, 67174, 100761, 134348, 167935, 201522, 302283, 335870, 403044, 503805, 604566, 671740, 1007610, 1209132, 1511415, 1780111, 2015220, 3022830, 3560222, 5340333, 6045660, 7120444, 8900555, 10680666, 16020999, 17801110, 21361332, 26701665, 32041998, 35602220, 53403330, 64083996, 80104995, 106806660, 160209990, 320419980]

約数ペア:

[(1, 320419980), (2, 160209990), (3, 106806660), (4, 80104995), (5, 64083996), (6, 53403330), (9, 35602220), (10, 32041998), (12, 26701665), (15, 21361332), (18, 17801110), (20, 16020999), (30, 10680666), (36, 8900555), (45, 7120444), (53, 6045660), (60, 5340333), (90, 3560222), (106, 3022830), (159, 2015220), (180, 1780111), (212, 1511415), (265, 1209132), (318, 1007610), (477, 671740), (530, 604566), (636, 503805), (795, 403044), (954, 335870), (1060, 302283), (1590, 201522), (1908, 167935), (2385, 134348), (3180, 100761), (4770, 67174), (9540, 33587)]