18220160

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 51408000

約数和(自身を除く): 33187840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 83, 98, 112, 128, 140, 160, 166, 196, 224, 245, 280, 320, 332, 343, 392, 415, 448, 490, 560, 581, 640, 664, 686, 784, 830, 896, 980, 1120, 1162, 1328, 1372, 1568, 1660, 1715, 1960, 2240, 2324, 2656, 2744, 2905, 3136, 3320, 3430, 3920, 4067, 4480, 4648, 5312, 5488, 5810, 6272, 6640, 6860, 7840, 8134, 9296, 10624, 10976, 11620, 13280, 13720, 15680, 16268, 18592, 20335, 21952, 23240, 26560, 27440, 28469, 31360, 32536, 37184, 40670, 43904, 46480, 53120, 54880, 56938, 65072, 74368, 81340, 92960, 109760, 113876, 130144, 142345, 162680, 185920, 219520, 227752, 260288, 284690, 325360, 371840, 455504, 520576, 569380, 650720, 911008, 1138760, 1301440, 1822016, 2277520, 2602880, 3644032, 4555040, 9110080, 18220160]

約数ペア:

[(1, 18220160), (2, 9110080), (4, 4555040), (5, 3644032), (7, 2602880), (8, 2277520), (10, 1822016), (14, 1301440), (16, 1138760), (20, 911008), (28, 650720), (32, 569380), (35, 520576), (40, 455504), (49, 371840), (56, 325360), (64, 284690), (70, 260288), (80, 227752), (83, 219520), (98, 185920), (112, 162680), (128, 142345), (140, 130144), (160, 113876), (166, 109760), (196, 92960), (224, 81340), (245, 74368), (280, 65072), (320, 56938), (332, 54880), (343, 53120), (392, 46480), (415, 43904), (448, 40670), (490, 37184), (560, 32536), (581, 31360), (640, 28469), (664, 27440), (686, 26560), (784, 23240), (830, 21952), (896, 20335), (980, 18592), (1120, 16268), (1162, 15680), (1328, 13720), (1372, 13280), (1568, 11620), (1660, 10976), (1715, 10624), (1960, 9296), (2240, 8134), (2324, 7840), (2656, 6860), (2744, 6640), (2905, 6272), (3136, 5810), (3320, 5488), (3430, 5312), (3920, 4648), (4067, 4480)]