918148080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{123407}}^1$

素因数の和:123454

約数の個数: 80

約数和(自身を含む): 2938097664

約数和(自身を除く): 2019949584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 123407, 246814, 370221, 493628, 617035, 740442, 987256, 1234070, 1480884, 1851105, 1974512, 2468140, 2961768, 3702210, 3825617, 4936280, 5923536, 7404420, 7651234, 9872560, 11476851, 14808840, 15302468, 19128085, 22953702, 29617680, 30604936, 38256170, 45907404, 57384255, 61209872, 76512340, 91814808, 114768510, 153024680, 183629616, 229537020, 306049360, 459074040, 918148080]

約数ペア:

[(1, 918148080), (2, 459074040), (3, 306049360), (4, 229537020), (5, 183629616), (6, 153024680), (8, 114768510), (10, 91814808), (12, 76512340), (15, 61209872), (16, 57384255), (20, 45907404), (24, 38256170), (30, 30604936), (31, 29617680), (40, 22953702), (48, 19128085), (60, 15302468), (62, 14808840), (80, 11476851), (93, 9872560), (120, 7651234), (124, 7404420), (155, 5923536), (186, 4936280), (240, 3825617), (248, 3702210), (310, 2961768), (372, 2468140), (465, 1974512), (496, 1851105), (620, 1480884), (744, 1234070), (930, 987256), (1240, 740442), (1488, 617035), (1860, 493628), (2480, 370221), (3720, 246814), (7440, 123407)]