4975181820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{31091}}^1$

素因数の和:31240

約数の個数: 144

約数和(自身を含む): 17383661568

約数和(自身を除く): 12408479748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 508, 630, 635, 762, 889, 1143, 1260, 1270, 1524, 1778, 1905, 2286, 2540, 2667, 3556, 3810, 4445, 4572, 5334, 5715, 7620, 8001, 8890, 10668, 11430, 13335, 16002, 17780, 22860, 26670, 31091, 32004, 40005, 53340, 62182, 80010, 93273, 124364, 155455, 160020, 186546, 217637, 279819, 310910, 373092, 435274, 466365, 559638, 621820, 652911, 870548, 932730, 1088185, 1119276, 1305822, 1399095, 1865460, 1958733, 2176370, 2611644, 2798190, 3264555, 3917466, 3948557, 4352740, 5596380, 6529110, 7834932, 7897114, 9793665, 11845671, 13058220, 15794228, 19587330, 19742785, 23691342, 27639899, 35537013, 39174660, 39485570, 47382684, 55279798, 59228355, 71074026, 78971140, 82919697, 110559596, 118456710, 138199495, 142148052, 165839394, 177685065, 236913420, 248759091, 276398990, 331678788, 355370130, 414598485, 497518182, 552797980, 710740260, 829196970, 995036364, 1243795455, 1658393940, 2487590910, 4975181820]

約数ペア:

[(1, 4975181820), (2, 2487590910), (3, 1658393940), (4, 1243795455), (5, 995036364), (6, 829196970), (7, 710740260), (9, 552797980), (10, 497518182), (12, 414598485), (14, 355370130), (15, 331678788), (18, 276398990), (20, 248759091), (21, 236913420), (28, 177685065), (30, 165839394), (35, 142148052), (36, 138199495), (42, 118456710), (45, 110559596), (60, 82919697), (63, 78971140), (70, 71074026), (84, 59228355), (90, 55279798), (105, 47382684), (126, 39485570), (127, 39174660), (140, 35537013), (180, 27639899), (210, 23691342), (252, 19742785), (254, 19587330), (315, 15794228), (381, 13058220), (420, 11845671), (508, 9793665), (630, 7897114), (635, 7834932), (762, 6529110), (889, 5596380), (1143, 4352740), (1260, 3948557), (1270, 3917466), (1524, 3264555), (1778, 2798190), (1905, 2611644), (2286, 2176370), (2540, 1958733), (2667, 1865460), (3556, 1399095), (3810, 1305822), (4445, 1119276), (4572, 1088185), (5334, 932730), (5715, 870548), (7620, 652911), (8001, 621820), (8890, 559638), (10668, 466365), (11430, 435274), (13335, 373092), (16002, 310910), (17780, 279819), (22860, 217637), (26670, 186546), (31091, 160020), (32004, 155455), (40005, 124364), (53340, 93273), (62182, 80010)]