20160857880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{144709}}^1$

素因数の和:144775

約数の個数: 160

約数和(自身を含む): 69339243600

約数和(自身を除く): 49178385720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 81, 86, 90, 108, 120, 129, 135, 162, 172, 180, 215, 216, 258, 270, 324, 344, 360, 387, 405, 430, 516, 540, 645, 648, 774, 810, 860, 1032, 1080, 1161, 1290, 1548, 1620, 1720, 1935, 2322, 2580, 3096, 3240, 3483, 3870, 4644, 5160, 5805, 6966, 7740, 9288, 11610, 13932, 15480, 17415, 23220, 27864, 34830, 46440, 69660, 139320, 144709, 289418, 434127, 578836, 723545, 868254, 1157672, 1302381, 1447090, 1736508, 2170635, 2604762, 2894180, 3473016, 3907143, 4341270, 5209524, 5788360, 6222487, 6511905, 7814286, 8682540, 10419048, 11721429, 12444974, 13023810, 15628572, 17365080, 18667461, 19535715, 23442858, 24889948, 26047620, 31112435, 31257144, 37334922, 39071430, 46885716, 49779896, 52095240, 56002383, 58607145, 62224870, 74669844, 78142860, 93337305, 93771432, 112004766, 117214290, 124449740, 149339688, 156285720, 168007149, 186674610, 224009532, 234428580, 248899480, 280011915, 336014298, 373349220, 448019064, 468857160, 504021447, 560023830, 672028596, 746698440, 840035745, 1008042894, 1120047660, 1344057192, 1680071490, 2016085788, 2240095320, 2520107235, 3360142980, 4032171576, 5040214470, 6720285960, 10080428940, 20160857880]

約数ペア:

[(1, 20160857880), (2, 10080428940), (3, 6720285960), (4, 5040214470), (5, 4032171576), (6, 3360142980), (8, 2520107235), (9, 2240095320), (10, 2016085788), (12, 1680071490), (15, 1344057192), (18, 1120047660), (20, 1008042894), (24, 840035745), (27, 746698440), (30, 672028596), (36, 560023830), (40, 504021447), (43, 468857160), (45, 448019064), (54, 373349220), (60, 336014298), (72, 280011915), (81, 248899480), (86, 234428580), (90, 224009532), (108, 186674610), (120, 168007149), (129, 156285720), (135, 149339688), (162, 124449740), (172, 117214290), (180, 112004766), (215, 93771432), (216, 93337305), (258, 78142860), (270, 74669844), (324, 62224870), (344, 58607145), (360, 56002383), (387, 52095240), (405, 49779896), (430, 46885716), (516, 39071430), (540, 37334922), (645, 31257144), (648, 31112435), (774, 26047620), (810, 24889948), (860, 23442858), (1032, 19535715), (1080, 18667461), (1161, 17365080), (1290, 15628572), (1548, 13023810), (1620, 12444974), (1720, 11721429), (1935, 10419048), (2322, 8682540), (2580, 7814286), (3096, 6511905), (3240, 6222487), (3483, 5788360), (3870, 5209524), (4644, 4341270), (5160, 3907143), (5805, 3473016), (6966, 2894180), (7740, 2604762), (9288, 2170635), (11610, 1736508), (13932, 1447090), (15480, 1302381), (17415, 1157672), (23220, 868254), (27864, 723545), (34830, 578836), (46440, 434127), (69660, 289418), (139320, 144709)]