628489980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1447}}^1$

素因数の和:1608

約数の個数: 144

約数和(自身を含む): 2023956480

約数和(自身を除く): 1395466500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 127, 171, 180, 190, 228, 254, 285, 342, 380, 381, 508, 570, 635, 684, 762, 855, 1140, 1143, 1270, 1447, 1524, 1710, 1905, 2286, 2413, 2540, 2894, 3420, 3810, 4341, 4572, 4826, 5715, 5788, 7235, 7239, 7620, 8682, 9652, 11430, 12065, 13023, 14470, 14478, 17364, 21705, 21717, 22860, 24130, 26046, 27493, 28940, 28956, 36195, 43410, 43434, 48260, 52092, 54986, 65115, 72390, 82479, 86820, 86868, 108585, 109972, 130230, 137465, 144780, 164958, 183769, 217170, 247437, 260460, 274930, 329916, 367538, 412395, 434340, 494874, 549860, 551307, 735076, 824790, 918845, 989748, 1102614, 1237185, 1649580, 1653921, 1837690, 2205228, 2474370, 2756535, 3307842, 3491611, 3675380, 4948740, 5513070, 6615684, 6983222, 8269605, 10474833, 11026140, 13966444, 16539210, 17458055, 20949666, 31424499, 33078420, 34916110, 41899332, 52374165, 62848998, 69832220, 104748330, 125697996, 157122495, 209496660, 314244990, 628489980]

約数ペア:

[(1, 628489980), (2, 314244990), (3, 209496660), (4, 157122495), (5, 125697996), (6, 104748330), (9, 69832220), (10, 62848998), (12, 52374165), (15, 41899332), (18, 34916110), (19, 33078420), (20, 31424499), (30, 20949666), (36, 17458055), (38, 16539210), (45, 13966444), (57, 11026140), (60, 10474833), (76, 8269605), (90, 6983222), (95, 6615684), (114, 5513070), (127, 4948740), (171, 3675380), (180, 3491611), (190, 3307842), (228, 2756535), (254, 2474370), (285, 2205228), (342, 1837690), (380, 1653921), (381, 1649580), (508, 1237185), (570, 1102614), (635, 989748), (684, 918845), (762, 824790), (855, 735076), (1140, 551307), (1143, 549860), (1270, 494874), (1447, 434340), (1524, 412395), (1710, 367538), (1905, 329916), (2286, 274930), (2413, 260460), (2540, 247437), (2894, 217170), (3420, 183769), (3810, 164958), (4341, 144780), (4572, 137465), (4826, 130230), (5715, 109972), (5788, 108585), (7235, 86868), (7239, 86820), (7620, 82479), (8682, 72390), (9652, 65115), (11430, 54986), (12065, 52092), (13023, 48260), (14470, 43434), (14478, 43410), (17364, 36195), (21705, 28956), (21717, 28940), (22860, 27493), (24130, 26046)]