18590280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 40507320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 53, 60, 74, 79, 106, 111, 120, 148, 158, 159, 185, 212, 222, 237, 265, 296, 316, 318, 370, 395, 424, 444, 474, 530, 555, 632, 636, 740, 790, 795, 888, 948, 1060, 1110, 1185, 1272, 1480, 1580, 1590, 1896, 1961, 2120, 2220, 2370, 2923, 3160, 3180, 3922, 4187, 4440, 4740, 5846, 5883, 6360, 7844, 8374, 8769, 9480, 9805, 11692, 11766, 12561, 14615, 15688, 16748, 17538, 19610, 20935, 23384, 23532, 25122, 29230, 29415, 33496, 35076, 39220, 41870, 43845, 47064, 50244, 58460, 58830, 62805, 70152, 78440, 83740, 87690, 100488, 116920, 117660, 125610, 154919, 167480, 175380, 235320, 251220, 309838, 350760, 464757, 502440, 619676, 774595, 929514, 1239352, 1549190, 1859028, 2323785, 3098380, 3718056, 4647570, 6196760, 9295140, 18590280]

約数ペア:

[(1, 18590280), (2, 9295140), (3, 6196760), (4, 4647570), (5, 3718056), (6, 3098380), (8, 2323785), (10, 1859028), (12, 1549190), (15, 1239352), (20, 929514), (24, 774595), (30, 619676), (37, 502440), (40, 464757), (53, 350760), (60, 309838), (74, 251220), (79, 235320), (106, 175380), (111, 167480), (120, 154919), (148, 125610), (158, 117660), (159, 116920), (185, 100488), (212, 87690), (222, 83740), (237, 78440), (265, 70152), (296, 62805), (316, 58830), (318, 58460), (370, 50244), (395, 47064), (424, 43845), (444, 41870), (474, 39220), (530, 35076), (555, 33496), (632, 29415), (636, 29230), (740, 25122), (790, 23532), (795, 23384), (888, 20935), (948, 19610), (1060, 17538), (1110, 16748), (1185, 15688), (1272, 14615), (1480, 12561), (1580, 11766), (1590, 11692), (1896, 9805), (1961, 9480), (2120, 8769), (2220, 8374), (2370, 7844), (2923, 6360), (3160, 5883), (3180, 5846), (3922, 4740), (4187, 4440)]