18542880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 144

約数和(自身を含む): 64471680

約数和(自身を除く): 45928800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 144, 158, 160, 163, 180, 237, 240, 288, 316, 326, 360, 395, 474, 480, 489, 632, 652, 711, 720, 790, 815, 948, 978, 1185, 1264, 1304, 1422, 1440, 1467, 1580, 1630, 1896, 1956, 2370, 2445, 2528, 2608, 2844, 2934, 3160, 3260, 3555, 3792, 3912, 4740, 4890, 5216, 5688, 5868, 6320, 6520, 7110, 7335, 7584, 7824, 9480, 9780, 11376, 11736, 12640, 12877, 13040, 14220, 14670, 15648, 18960, 19560, 22752, 23472, 25754, 26080, 28440, 29340, 37920, 38631, 39120, 46944, 51508, 56880, 58680, 64385, 77262, 78240, 103016, 113760, 115893, 117360, 128770, 154524, 193155, 206032, 231786, 234720, 257540, 309048, 386310, 412064, 463572, 515080, 579465, 618096, 772620, 927144, 1030160, 1158930, 1236192, 1545240, 1854288, 2060320, 2317860, 3090480, 3708576, 4635720, 6180960, 9271440, 18542880]

約数ペア:

[(1, 18542880), (2, 9271440), (3, 6180960), (4, 4635720), (5, 3708576), (6, 3090480), (8, 2317860), (9, 2060320), (10, 1854288), (12, 1545240), (15, 1236192), (16, 1158930), (18, 1030160), (20, 927144), (24, 772620), (30, 618096), (32, 579465), (36, 515080), (40, 463572), (45, 412064), (48, 386310), (60, 309048), (72, 257540), (79, 234720), (80, 231786), (90, 206032), (96, 193155), (120, 154524), (144, 128770), (158, 117360), (160, 115893), (163, 113760), (180, 103016), (237, 78240), (240, 77262), (288, 64385), (316, 58680), (326, 56880), (360, 51508), (395, 46944), (474, 39120), (480, 38631), (489, 37920), (632, 29340), (652, 28440), (711, 26080), (720, 25754), (790, 23472), (815, 22752), (948, 19560), (978, 18960), (1185, 15648), (1264, 14670), (1304, 14220), (1422, 13040), (1440, 12877), (1467, 12640), (1580, 11736), (1630, 11376), (1896, 9780), (1956, 9480), (2370, 7824), (2445, 7584), (2528, 7335), (2608, 7110), (2844, 6520), (2934, 6320), (3160, 5868), (3260, 5688), (3555, 5216), (3792, 4890), (3912, 4740)]