18125760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 112

約数和(自身を含む): 58521600

約数和(自身を除く): 40395840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 158, 160, 192, 237, 239, 240, 316, 320, 395, 474, 478, 480, 632, 717, 790, 948, 956, 960, 1185, 1195, 1264, 1434, 1580, 1896, 1912, 2370, 2390, 2528, 2868, 3160, 3585, 3792, 3824, 4740, 4780, 5056, 5736, 6320, 7170, 7584, 7648, 9480, 9560, 11472, 12640, 14340, 15168, 15296, 18881, 18960, 19120, 22944, 25280, 28680, 37762, 37920, 38240, 45888, 56643, 57360, 75524, 75840, 76480, 94405, 113286, 114720, 151048, 188810, 226572, 229440, 283215, 302096, 377620, 453144, 566430, 604192, 755240, 906288, 1132860, 1208384, 1510480, 1812576, 2265720, 3020960, 3625152, 4531440, 6041920, 9062880, 18125760]

約数ペア:

[(1, 18125760), (2, 9062880), (3, 6041920), (4, 4531440), (5, 3625152), (6, 3020960), (8, 2265720), (10, 1812576), (12, 1510480), (15, 1208384), (16, 1132860), (20, 906288), (24, 755240), (30, 604192), (32, 566430), (40, 453144), (48, 377620), (60, 302096), (64, 283215), (79, 229440), (80, 226572), (96, 188810), (120, 151048), (158, 114720), (160, 113286), (192, 94405), (237, 76480), (239, 75840), (240, 75524), (316, 57360), (320, 56643), (395, 45888), (474, 38240), (478, 37920), (480, 37762), (632, 28680), (717, 25280), (790, 22944), (948, 19120), (956, 18960), (960, 18881), (1185, 15296), (1195, 15168), (1264, 14340), (1434, 12640), (1580, 11472), (1896, 9560), (1912, 9480), (2370, 7648), (2390, 7584), (2528, 7170), (2868, 6320), (3160, 5736), (3585, 5056), (3792, 4780), (3824, 4740)]