258147680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1733}}^1$

素因数の和:1781

約数の個数: 144

約数和(自身を含む): 747215280

約数和(自身を除く): 489067600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1520, 1568, 1733, 1862, 1960, 2128, 2660, 3040, 3466, 3724, 3920, 4256, 4655, 5320, 6932, 7448, 7840, 8665, 9310, 10640, 12131, 13864, 14896, 17330, 18620, 21280, 24262, 27728, 29792, 32927, 34660, 37240, 48524, 55456, 60655, 65854, 69320, 74480, 84917, 97048, 121310, 131708, 138640, 148960, 164635, 169834, 194096, 230489, 242620, 263416, 277280, 329270, 339668, 388192, 424585, 460978, 485240, 526832, 658540, 679336, 849170, 921956, 970480, 1053664, 1152445, 1317080, 1358672, 1613423, 1698340, 1843912, 1940960, 2304890, 2634160, 2717344, 3226846, 3396680, 3687824, 4609780, 5268320, 6453692, 6793360, 7375648, 8067115, 9219560, 12907384, 13586720, 16134230, 18439120, 25814768, 32268460, 36878240, 51629536, 64536920, 129073840, 258147680]

約数ペア:

[(1, 258147680), (2, 129073840), (4, 64536920), (5, 51629536), (7, 36878240), (8, 32268460), (10, 25814768), (14, 18439120), (16, 16134230), (19, 13586720), (20, 12907384), (28, 9219560), (32, 8067115), (35, 7375648), (38, 6793360), (40, 6453692), (49, 5268320), (56, 4609780), (70, 3687824), (76, 3396680), (80, 3226846), (95, 2717344), (98, 2634160), (112, 2304890), (133, 1940960), (140, 1843912), (152, 1698340), (160, 1613423), (190, 1358672), (196, 1317080), (224, 1152445), (245, 1053664), (266, 970480), (280, 921956), (304, 849170), (380, 679336), (392, 658540), (490, 526832), (532, 485240), (560, 460978), (608, 424585), (665, 388192), (760, 339668), (784, 329270), (931, 277280), (980, 263416), (1064, 242620), (1120, 230489), (1330, 194096), (1520, 169834), (1568, 164635), (1733, 148960), (1862, 138640), (1960, 131708), (2128, 121310), (2660, 97048), (3040, 84917), (3466, 74480), (3724, 69320), (3920, 65854), (4256, 60655), (4655, 55456), (5320, 48524), (6932, 37240), (7448, 34660), (7840, 32927), (8665, 29792), (9310, 27728), (10640, 24262), (12131, 21280), (13864, 18620), (14896, 17330)]