1381881920

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{919}}^1$

素因数の和:1100

約数の個数: 112

約数和(自身を含む): 3409858560

約数和(自身を除く): 2027976640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 127, 148, 160, 185, 254, 296, 320, 370, 508, 592, 635, 740, 919, 1016, 1184, 1270, 1480, 1838, 2032, 2368, 2540, 2960, 3676, 4064, 4595, 4699, 5080, 5920, 7352, 8128, 9190, 9398, 10160, 11840, 14704, 18380, 18796, 20320, 23495, 29408, 34003, 36760, 37592, 40640, 46990, 58816, 68006, 73520, 75184, 93980, 116713, 136012, 147040, 150368, 170015, 187960, 233426, 272024, 294080, 300736, 340030, 375920, 466852, 544048, 583565, 680060, 751840, 933704, 1088096, 1167130, 1360120, 1503680, 1867408, 2176192, 2334260, 2720240, 3734816, 4318381, 4668520, 5440480, 7469632, 8636762, 9337040, 10880960, 17273524, 18674080, 21591905, 34547048, 37348160, 43183810, 69094096, 86367620, 138188192, 172735240, 276376384, 345470480, 690940960, 1381881920]

約数ペア:

[(1, 1381881920), (2, 690940960), (4, 345470480), (5, 276376384), (8, 172735240), (10, 138188192), (16, 86367620), (20, 69094096), (32, 43183810), (37, 37348160), (40, 34547048), (64, 21591905), (74, 18674080), (80, 17273524), (127, 10880960), (148, 9337040), (160, 8636762), (185, 7469632), (254, 5440480), (296, 4668520), (320, 4318381), (370, 3734816), (508, 2720240), (592, 2334260), (635, 2176192), (740, 1867408), (919, 1503680), (1016, 1360120), (1184, 1167130), (1270, 1088096), (1480, 933704), (1838, 751840), (2032, 680060), (2368, 583565), (2540, 544048), (2960, 466852), (3676, 375920), (4064, 340030), (4595, 300736), (4699, 294080), (5080, 272024), (5920, 233426), (7352, 187960), (8128, 170015), (9190, 150368), (9398, 147040), (10160, 136012), (11840, 116713), (14704, 93980), (18380, 75184), (18796, 73520), (20320, 68006), (23495, 58816), (29408, 46990), (34003, 40640), (36760, 37592)]