80765820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 256777248

約数和(自身を除く): 176011428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 67, 74, 90, 111, 134, 148, 180, 181, 185, 201, 222, 268, 333, 335, 362, 370, 402, 444, 543, 555, 603, 666, 670, 724, 740, 804, 905, 1005, 1086, 1110, 1206, 1332, 1340, 1629, 1665, 1810, 2010, 2172, 2220, 2412, 2479, 2715, 3015, 3258, 3330, 3620, 4020, 4958, 5430, 6030, 6516, 6660, 6697, 7437, 8145, 9916, 10860, 12060, 12127, 12395, 13394, 14874, 16290, 20091, 22311, 24254, 24790, 26788, 29748, 32580, 33485, 36381, 37185, 40182, 44622, 48508, 49580, 60273, 60635, 66970, 72762, 74370, 80364, 89244, 100455, 109143, 111555, 120546, 121270, 133940, 145524, 148740, 181905, 200910, 218286, 223110, 241092, 242540, 301365, 363810, 401820, 436572, 446220, 448699, 545715, 602730, 727620, 897398, 1091430, 1205460, 1346097, 1794796, 2182860, 2243495, 2692194, 4038291, 4486990, 5384388, 6730485, 8076582, 8973980, 13460970, 16153164, 20191455, 26921940, 40382910, 80765820]

約数ペア:

[(1, 80765820), (2, 40382910), (3, 26921940), (4, 20191455), (5, 16153164), (6, 13460970), (9, 8973980), (10, 8076582), (12, 6730485), (15, 5384388), (18, 4486990), (20, 4038291), (30, 2692194), (36, 2243495), (37, 2182860), (45, 1794796), (60, 1346097), (67, 1205460), (74, 1091430), (90, 897398), (111, 727620), (134, 602730), (148, 545715), (180, 448699), (181, 446220), (185, 436572), (201, 401820), (222, 363810), (268, 301365), (333, 242540), (335, 241092), (362, 223110), (370, 218286), (402, 200910), (444, 181905), (543, 148740), (555, 145524), (603, 133940), (666, 121270), (670, 120546), (724, 111555), (740, 109143), (804, 100455), (905, 89244), (1005, 80364), (1086, 74370), (1110, 72762), (1206, 66970), (1332, 60635), (1340, 60273), (1629, 49580), (1665, 48508), (1810, 44622), (2010, 40182), (2172, 37185), (2220, 36381), (2412, 33485), (2479, 32580), (2715, 29748), (3015, 26788), (3258, 24790), (3330, 24254), (3620, 22311), (4020, 20091), (4958, 16290), (5430, 14874), (6030, 13394), (6516, 12395), (6660, 12127), (6697, 12060), (7437, 10860), (8145, 9916)]