161531640

素因数分解:

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

素因数の和:302

約数の個数: 192

約数和(自身を含む): 550236960

約数和(自身を除く): 388705320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 67, 72, 74, 90, 111, 120, 134, 148, 180, 181, 185, 201, 222, 268, 296, 333, 335, 360, 362, 370, 402, 444, 536, 543, 555, 603, 666, 670, 724, 740, 804, 888, 905, 1005, 1086, 1110, 1206, 1332, 1340, 1448, 1480, 1608, 1629, 1665, 1810, 2010, 2172, 2220, 2412, 2479, 2664, 2680, 2715, 3015, 3258, 3330, 3620, 4020, 4344, 4440, 4824, 4958, 5430, 6030, 6516, 6660, 6697, 7240, 7437, 8040, 8145, 9916, 10860, 12060, 12127, 12395, 13032, 13320, 13394, 14874, 16290, 19832, 20091, 21720, 22311, 24120, 24254, 24790, 26788, 29748, 32580, 33485, 36381, 37185, 40182, 44622, 48508, 49580, 53576, 59496, 60273, 60635, 65160, 66970, 72762, 74370, 80364, 89244, 97016, 99160, 100455, 109143, 111555, 120546, 121270, 133940, 145524, 148740, 160728, 178488, 181905, 200910, 218286, 223110, 241092, 242540, 267880, 291048, 297480, 301365, 363810, 401820, 436572, 446220, 448699, 482184, 485080, 545715, 602730, 727620, 803640, 873144, 892440, 897398, 1091430, 1205460, 1346097, 1455240, 1794796, 2182860, 2243495, 2410920, 2692194, 3589592, 4038291, 4365720, 4486990, 5384388, 6730485, 8076582, 8973980, 10768776, 13460970, 16153164, 17947960, 20191455, 26921940, 32306328, 40382910, 53843880, 80765820, 161531640]

約数ペア:

[(1, 161531640), (2, 80765820), (3, 53843880), (4, 40382910), (5, 32306328), (6, 26921940), (8, 20191455), (9, 17947960), (10, 16153164), (12, 13460970), (15, 10768776), (18, 8973980), (20, 8076582), (24, 6730485), (30, 5384388), (36, 4486990), (37, 4365720), (40, 4038291), (45, 3589592), (60, 2692194), (67, 2410920), (72, 2243495), (74, 2182860), (90, 1794796), (111, 1455240), (120, 1346097), (134, 1205460), (148, 1091430), (180, 897398), (181, 892440), (185, 873144), (201, 803640), (222, 727620), (268, 602730), (296, 545715), (333, 485080), (335, 482184), (360, 448699), (362, 446220), (370, 436572), (402, 401820), (444, 363810), (536, 301365), (543, 297480), (555, 291048), (603, 267880), (666, 242540), (670, 241092), (724, 223110), (740, 218286), (804, 200910), (888, 181905), (905, 178488), (1005, 160728), (1086, 148740), (1110, 145524), (1206, 133940), (1332, 121270), (1340, 120546), (1448, 111555), (1480, 109143), (1608, 100455), (1629, 99160), (1665, 97016), (1810, 89244), (2010, 80364), (2172, 74370), (2220, 72762), (2412, 66970), (2479, 65160), (2664, 60635), (2680, 60273), (2715, 59496), (3015, 53576), (3258, 49580), (3330, 48508), (3620, 44622), (4020, 40182), (4344, 37185), (4440, 36381), (4824, 33485), (4958, 32580), (5430, 29748), (6030, 26788), (6516, 24790), (6660, 24254), (6697, 24120), (7240, 22311), (7437, 21720), (8040, 20091), (8145, 19832), (9916, 16290), (10860, 14874), (12060, 13394), (12127, 13320), (12395, 13032)]