81954960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 160

約数和(自身を含む): 274803840

約数和(自身を除く): 192848880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 53, 60, 68, 80, 85, 102, 106, 120, 136, 159, 170, 204, 212, 240, 255, 265, 272, 318, 340, 379, 408, 424, 510, 530, 636, 680, 758, 795, 816, 848, 901, 1020, 1060, 1137, 1272, 1360, 1516, 1590, 1802, 1895, 2040, 2120, 2274, 2544, 2703, 3032, 3180, 3604, 3790, 4080, 4240, 4505, 4548, 5406, 5685, 6064, 6360, 6443, 7208, 7580, 9010, 9096, 10812, 11370, 12720, 12886, 13515, 14416, 15160, 18020, 18192, 19329, 20087, 21624, 22740, 25772, 27030, 30320, 32215, 36040, 38658, 40174, 43248, 45480, 51544, 54060, 60261, 64430, 72080, 77316, 80348, 90960, 96645, 100435, 103088, 108120, 120522, 128860, 154632, 160696, 193290, 200870, 216240, 241044, 257720, 301305, 309264, 321392, 341479, 386580, 401740, 482088, 515440, 602610, 682958, 773160, 803480, 964176, 1024437, 1205220, 1365916, 1546320, 1606960, 1707395, 2048874, 2410440, 2731832, 3414790, 4097748, 4820880, 5122185, 5463664, 6829580, 8195496, 10244370, 13659160, 16390992, 20488740, 27318320, 40977480, 81954960]

約数ペア:

[(1, 81954960), (2, 40977480), (3, 27318320), (4, 20488740), (5, 16390992), (6, 13659160), (8, 10244370), (10, 8195496), (12, 6829580), (15, 5463664), (16, 5122185), (17, 4820880), (20, 4097748), (24, 3414790), (30, 2731832), (34, 2410440), (40, 2048874), (48, 1707395), (51, 1606960), (53, 1546320), (60, 1365916), (68, 1205220), (80, 1024437), (85, 964176), (102, 803480), (106, 773160), (120, 682958), (136, 602610), (159, 515440), (170, 482088), (204, 401740), (212, 386580), (240, 341479), (255, 321392), (265, 309264), (272, 301305), (318, 257720), (340, 241044), (379, 216240), (408, 200870), (424, 193290), (510, 160696), (530, 154632), (636, 128860), (680, 120522), (758, 108120), (795, 103088), (816, 100435), (848, 96645), (901, 90960), (1020, 80348), (1060, 77316), (1137, 72080), (1272, 64430), (1360, 60261), (1516, 54060), (1590, 51544), (1802, 45480), (1895, 43248), (2040, 40174), (2120, 38658), (2274, 36040), (2544, 32215), (2703, 30320), (3032, 27030), (3180, 25772), (3604, 22740), (3790, 21624), (4080, 20087), (4240, 19329), (4505, 18192), (4548, 18020), (5406, 15160), (5685, 14416), (6064, 13515), (6360, 12886), (6443, 12720), (7208, 11370), (7580, 10812), (9010, 9096)]