1990273860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{2089}}^1$

素因数の和:2250

約数の個数: 144

約数和(自身を含む): 6207801600

約数和(自身を除く): 4217527740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 79, 90, 134, 158, 180, 201, 237, 268, 316, 335, 395, 402, 474, 603, 670, 711, 790, 804, 948, 1005, 1185, 1206, 1340, 1422, 1580, 2010, 2089, 2370, 2412, 2844, 3015, 3555, 4020, 4178, 4740, 5293, 6030, 6267, 7110, 8356, 10445, 10586, 12060, 12534, 14220, 15879, 18801, 20890, 21172, 25068, 26465, 31335, 31758, 37602, 41780, 47637, 52930, 62670, 63516, 75204, 79395, 94005, 95274, 105860, 125340, 139963, 158790, 165031, 188010, 190548, 238185, 279926, 317580, 330062, 376020, 419889, 476370, 495093, 559852, 660124, 699815, 825155, 839778, 952740, 990186, 1259667, 1399630, 1485279, 1650310, 1679556, 1980372, 2099445, 2475465, 2519334, 2799260, 2970558, 3300620, 4198890, 4950930, 5038668, 5941116, 6298335, 7426395, 8397780, 9901860, 11057077, 12596670, 14852790, 22114154, 25193340, 29705580, 33171231, 44228308, 55285385, 66342462, 99513693, 110570770, 132684924, 165856155, 199027386, 221141540, 331712310, 398054772, 497568465, 663424620, 995136930, 1990273860]

約数ペア:

[(1, 1990273860), (2, 995136930), (3, 663424620), (4, 497568465), (5, 398054772), (6, 331712310), (9, 221141540), (10, 199027386), (12, 165856155), (15, 132684924), (18, 110570770), (20, 99513693), (30, 66342462), (36, 55285385), (45, 44228308), (60, 33171231), (67, 29705580), (79, 25193340), (90, 22114154), (134, 14852790), (158, 12596670), (180, 11057077), (201, 9901860), (237, 8397780), (268, 7426395), (316, 6298335), (335, 5941116), (395, 5038668), (402, 4950930), (474, 4198890), (603, 3300620), (670, 2970558), (711, 2799260), (790, 2519334), (804, 2475465), (948, 2099445), (1005, 1980372), (1185, 1679556), (1206, 1650310), (1340, 1485279), (1422, 1399630), (1580, 1259667), (2010, 990186), (2089, 952740), (2370, 839778), (2412, 825155), (2844, 699815), (3015, 660124), (3555, 559852), (4020, 495093), (4178, 476370), (4740, 419889), (5293, 376020), (6030, 330062), (6267, 317580), (7110, 279926), (8356, 238185), (10445, 190548), (10586, 188010), (12060, 165031), (12534, 158790), (14220, 139963), (15879, 125340), (18801, 105860), (20890, 95274), (21172, 94005), (25068, 79395), (26465, 75204), (31335, 63516), (31758, 62670), (37602, 52930), (41780, 47637)]