74828040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 258336000

約数和(自身を除く): 183507960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 229, 280, 389, 420, 458, 687, 778, 840, 916, 1145, 1167, 1374, 1556, 1603, 1832, 1945, 2290, 2334, 2723, 2748, 3112, 3206, 3435, 3890, 4580, 4668, 4809, 5446, 5496, 5835, 6412, 6870, 7780, 8015, 8169, 9160, 9336, 9618, 10892, 11670, 12824, 13615, 13740, 15560, 16030, 16338, 19236, 21784, 23340, 24045, 27230, 27480, 32060, 32676, 38472, 40845, 46680, 48090, 54460, 64120, 65352, 81690, 89081, 96180, 108920, 163380, 178162, 192360, 267243, 326760, 356324, 445405, 534486, 623567, 712648, 890810, 1068972, 1247134, 1336215, 1781620, 1870701, 2137944, 2494268, 2672430, 3117835, 3563240, 3741402, 4988536, 5344860, 6235670, 7482804, 9353505, 10689720, 12471340, 14965608, 18707010, 24942680, 37414020, 74828040]

約数ペア:

[(1, 74828040), (2, 37414020), (3, 24942680), (4, 18707010), (5, 14965608), (6, 12471340), (7, 10689720), (8, 9353505), (10, 7482804), (12, 6235670), (14, 5344860), (15, 4988536), (20, 3741402), (21, 3563240), (24, 3117835), (28, 2672430), (30, 2494268), (35, 2137944), (40, 1870701), (42, 1781620), (56, 1336215), (60, 1247134), (70, 1068972), (84, 890810), (105, 712648), (120, 623567), (140, 534486), (168, 445405), (210, 356324), (229, 326760), (280, 267243), (389, 192360), (420, 178162), (458, 163380), (687, 108920), (778, 96180), (840, 89081), (916, 81690), (1145, 65352), (1167, 64120), (1374, 54460), (1556, 48090), (1603, 46680), (1832, 40845), (1945, 38472), (2290, 32676), (2334, 32060), (2723, 27480), (2748, 27230), (3112, 24045), (3206, 23340), (3435, 21784), (3890, 19236), (4580, 16338), (4668, 16030), (4809, 15560), (5446, 13740), (5496, 13615), (5835, 12824), (6412, 11670), (6870, 10892), (7780, 9618), (8015, 9336), (8169, 9160)]