19577040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:337

約数の個数: 160

約数和(自身を含む): 71233536

約数和(自身を除く): 51656496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 271, 280, 301, 336, 344, 420, 430, 516, 542, 560, 602, 645, 688, 813, 840, 860, 903, 1032, 1084, 1204, 1290, 1355, 1505, 1626, 1680, 1720, 1806, 1897, 2064, 2168, 2408, 2580, 2710, 3010, 3252, 3440, 3612, 3794, 4065, 4336, 4515, 4816, 5160, 5420, 5691, 6020, 6504, 7224, 7588, 8130, 9030, 9485, 10320, 10840, 11382, 11653, 12040, 13008, 14448, 15176, 16260, 18060, 18970, 21680, 22764, 23306, 24080, 28455, 30352, 32520, 34959, 36120, 37940, 45528, 46612, 56910, 58265, 65040, 69918, 72240, 75880, 81571, 91056, 93224, 113820, 116530, 139836, 151760, 163142, 174795, 186448, 227640, 233060, 244713, 279672, 326284, 349590, 407855, 455280, 466120, 489426, 559344, 652568, 699180, 815710, 932240, 978852, 1223565, 1305136, 1398360, 1631420, 1957704, 2447130, 2796720, 3262840, 3915408, 4894260, 6525680, 9788520, 19577040]

約数ペア:

[(1, 19577040), (2, 9788520), (3, 6525680), (4, 4894260), (5, 3915408), (6, 3262840), (7, 2796720), (8, 2447130), (10, 1957704), (12, 1631420), (14, 1398360), (15, 1305136), (16, 1223565), (20, 978852), (21, 932240), (24, 815710), (28, 699180), (30, 652568), (35, 559344), (40, 489426), (42, 466120), (43, 455280), (48, 407855), (56, 349590), (60, 326284), (70, 279672), (80, 244713), (84, 233060), (86, 227640), (105, 186448), (112, 174795), (120, 163142), (129, 151760), (140, 139836), (168, 116530), (172, 113820), (210, 93224), (215, 91056), (240, 81571), (258, 75880), (271, 72240), (280, 69918), (301, 65040), (336, 58265), (344, 56910), (420, 46612), (430, 45528), (516, 37940), (542, 36120), (560, 34959), (602, 32520), (645, 30352), (688, 28455), (813, 24080), (840, 23306), (860, 22764), (903, 21680), (1032, 18970), (1084, 18060), (1204, 16260), (1290, 15176), (1355, 14448), (1505, 13008), (1626, 12040), (1680, 11653), (1720, 11382), (1806, 10840), (1897, 10320), (2064, 9485), (2168, 9030), (2408, 8130), (2580, 7588), (2710, 7224), (3010, 6504), (3252, 6020), (3440, 5691), (3612, 5420), (3794, 5160), (4065, 4816), (4336, 4515)]