38204640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:681

約数の個数: 144

約数和(自身を含む): 133621488

約数和(自身を除く): 95416848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 617, 645, 688, 720, 774, 860, 1032, 1234, 1290, 1376, 1440, 1548, 1720, 1851, 1935, 2064, 2468, 2580, 3085, 3096, 3440, 3702, 3870, 4128, 4936, 5160, 5553, 6170, 6192, 6880, 7404, 7740, 9255, 9872, 10320, 11106, 12340, 12384, 14808, 15480, 18510, 19744, 20640, 22212, 24680, 26531, 27765, 29616, 30960, 37020, 44424, 49360, 53062, 55530, 59232, 61920, 74040, 79593, 88848, 98720, 106124, 111060, 132655, 148080, 159186, 177696, 212248, 222120, 238779, 265310, 296160, 318372, 397965, 424496, 444240, 477558, 530620, 636744, 795930, 848992, 888480, 955116, 1061240, 1193895, 1273488, 1591860, 1910232, 2122480, 2387790, 2546976, 3183720, 3820464, 4244960, 4775580, 6367440, 7640928, 9551160, 12734880, 19102320, 38204640]

約数ペア:

[(1, 38204640), (2, 19102320), (3, 12734880), (4, 9551160), (5, 7640928), (6, 6367440), (8, 4775580), (9, 4244960), (10, 3820464), (12, 3183720), (15, 2546976), (16, 2387790), (18, 2122480), (20, 1910232), (24, 1591860), (30, 1273488), (32, 1193895), (36, 1061240), (40, 955116), (43, 888480), (45, 848992), (48, 795930), (60, 636744), (72, 530620), (80, 477558), (86, 444240), (90, 424496), (96, 397965), (120, 318372), (129, 296160), (144, 265310), (160, 238779), (172, 222120), (180, 212248), (215, 177696), (240, 159186), (258, 148080), (288, 132655), (344, 111060), (360, 106124), (387, 98720), (430, 88848), (480, 79593), (516, 74040), (617, 61920), (645, 59232), (688, 55530), (720, 53062), (774, 49360), (860, 44424), (1032, 37020), (1234, 30960), (1290, 29616), (1376, 27765), (1440, 26531), (1548, 24680), (1720, 22212), (1851, 20640), (1935, 19744), (2064, 18510), (2468, 15480), (2580, 14808), (3085, 12384), (3096, 12340), (3440, 11106), (3702, 10320), (3870, 9872), (4128, 9255), (4936, 7740), (5160, 7404), (5553, 6880), (6170, 6192)]