87421680

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{1499}}^1$

素因数の和:1530

約数の個数: 140

約数和(自身を含む): 304947000

約数和(自身を除く): 217525320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1499, 1620, 1944, 2160, 2430, 2916, 2998, 3240, 3645, 3888, 4497, 4860, 5832, 5996, 6480, 7290, 7495, 8994, 9720, 11664, 11992, 13491, 14580, 14990, 17988, 19440, 22485, 23984, 26982, 29160, 29980, 35976, 40473, 44970, 53964, 58320, 59960, 67455, 71952, 80946, 89940, 107928, 119920, 121419, 134910, 161892, 179880, 202365, 215856, 242838, 269820, 323784, 359760, 364257, 404730, 485676, 539640, 607095, 647568, 728514, 809460, 971352, 1079280, 1092771, 1214190, 1457028, 1618920, 1821285, 1942704, 2185542, 2428380, 2914056, 3237840, 3642570, 4371084, 4856760, 5463855, 5828112, 7285140, 8742168, 9713520, 10927710, 14570280, 17484336, 21855420, 29140560, 43710840, 87421680]

約数ペア:

[(1, 87421680), (2, 43710840), (3, 29140560), (4, 21855420), (5, 17484336), (6, 14570280), (8, 10927710), (9, 9713520), (10, 8742168), (12, 7285140), (15, 5828112), (16, 5463855), (18, 4856760), (20, 4371084), (24, 3642570), (27, 3237840), (30, 2914056), (36, 2428380), (40, 2185542), (45, 1942704), (48, 1821285), (54, 1618920), (60, 1457028), (72, 1214190), (80, 1092771), (81, 1079280), (90, 971352), (108, 809460), (120, 728514), (135, 647568), (144, 607095), (162, 539640), (180, 485676), (216, 404730), (240, 364257), (243, 359760), (270, 323784), (324, 269820), (360, 242838), (405, 215856), (432, 202365), (486, 179880), (540, 161892), (648, 134910), (720, 121419), (729, 119920), (810, 107928), (972, 89940), (1080, 80946), (1215, 71952), (1296, 67455), (1458, 59960), (1499, 58320), (1620, 53964), (1944, 44970), (2160, 40473), (2430, 35976), (2916, 29980), (2998, 29160), (3240, 26982), (3645, 23984), (3888, 22485), (4497, 19440), (4860, 17988), (5832, 14990), (5996, 14580), (6480, 13491), (7290, 11992), (7495, 11664), (8994, 9720)]