280468160

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:639

約数の個数: 168

約数和(自身を含む): 803355264

約数和(自身を除く): 522887104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 434, 448, 490, 496, 560, 577, 620, 784, 868, 980, 992, 1085, 1120, 1154, 1240, 1519, 1568, 1736, 1960, 1984, 2170, 2240, 2308, 2480, 2885, 3038, 3136, 3472, 3920, 4039, 4340, 4616, 4960, 5770, 6076, 6944, 7595, 7840, 8078, 8680, 9232, 9920, 11540, 12152, 13888, 15190, 15680, 16156, 17360, 17887, 18464, 20195, 23080, 24304, 28273, 30380, 32312, 34720, 35774, 36928, 40390, 46160, 48608, 56546, 60760, 64624, 69440, 71548, 80780, 89435, 92320, 97216, 113092, 121520, 125209, 129248, 141365, 143096, 161560, 178870, 184640, 226184, 243040, 250418, 258496, 282730, 286192, 323120, 357740, 452368, 486080, 500836, 565460, 572384, 626045, 646240, 715480, 876463, 904736, 1001672, 1130920, 1144768, 1252090, 1292480, 1430960, 1752926, 1809472, 2003344, 2261840, 2504180, 2861920, 3505852, 4006688, 4382315, 4523680, 5008360, 5723840, 7011704, 8013376, 8764630, 9047360, 10016720, 14023408, 17529260, 20033440, 28046816, 35058520, 40066880, 56093632, 70117040, 140234080, 280468160]

約数ペア:

[(1, 280468160), (2, 140234080), (4, 70117040), (5, 56093632), (7, 40066880), (8, 35058520), (10, 28046816), (14, 20033440), (16, 17529260), (20, 14023408), (28, 10016720), (31, 9047360), (32, 8764630), (35, 8013376), (40, 7011704), (49, 5723840), (56, 5008360), (62, 4523680), (64, 4382315), (70, 4006688), (80, 3505852), (98, 2861920), (112, 2504180), (124, 2261840), (140, 2003344), (155, 1809472), (160, 1752926), (196, 1430960), (217, 1292480), (224, 1252090), (245, 1144768), (248, 1130920), (280, 1001672), (310, 904736), (320, 876463), (392, 715480), (434, 646240), (448, 626045), (490, 572384), (496, 565460), (560, 500836), (577, 486080), (620, 452368), (784, 357740), (868, 323120), (980, 286192), (992, 282730), (1085, 258496), (1120, 250418), (1154, 243040), (1240, 226184), (1519, 184640), (1568, 178870), (1736, 161560), (1960, 143096), (1984, 141365), (2170, 129248), (2240, 125209), (2308, 121520), (2480, 113092), (2885, 97216), (3038, 92320), (3136, 89435), (3472, 80780), (3920, 71548), (4039, 69440), (4340, 64624), (4616, 60760), (4960, 56546), (5770, 48608), (6076, 46160), (6944, 40390), (7595, 36928), (7840, 35774), (8078, 34720), (8680, 32312), (9232, 30380), (9920, 28273), (11540, 24304), (12152, 23080), (13888, 20195), (15190, 18464), (15680, 17887), (16156, 17360)]