681136960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:649

約数の個数: 224

約数和(自身を含む): 2029529088

約数和(自身を除く): 1348392128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 64, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 160, 170, 217, 224, 238, 248, 272, 280, 310, 320, 340, 434, 448, 476, 496, 527, 544, 560, 577, 595, 620, 680, 868, 952, 992, 1054, 1085, 1088, 1120, 1154, 1190, 1240, 1360, 1736, 1904, 1984, 2108, 2170, 2240, 2308, 2380, 2480, 2635, 2720, 2885, 3472, 3689, 3808, 4039, 4216, 4340, 4616, 4760, 4960, 5270, 5440, 5770, 6944, 7378, 7616, 8078, 8432, 8680, 9232, 9520, 9809, 9920, 10540, 11540, 13888, 14756, 16156, 16864, 17360, 17887, 18445, 18464, 19040, 19618, 20195, 21080, 23080, 29512, 32312, 33728, 34720, 35774, 36890, 36928, 38080, 39236, 40390, 42160, 46160, 49045, 59024, 64624, 68663, 69440, 71548, 73780, 78472, 80780, 84320, 89435, 92320, 98090, 118048, 125209, 129248, 137326, 143096, 147560, 156944, 161560, 168640, 178870, 184640, 196180, 236096, 250418, 258496, 274652, 286192, 295120, 304079, 313888, 323120, 343315, 357740, 392360, 500836, 549304, 572384, 590240, 608158, 626045, 627776, 646240, 686630, 715480, 784720, 1001672, 1098608, 1144768, 1180480, 1216316, 1252090, 1292480, 1373260, 1430960, 1520395, 1569440, 2003344, 2128553, 2197216, 2432632, 2504180, 2746520, 2861920, 3040790, 3138880, 4006688, 4257106, 4394432, 4865264, 5008360, 5493040, 5723840, 6081580, 8013376, 8514212, 9730528, 10016720, 10642765, 10986080, 12163160, 17028424, 19461056, 20033440, 21285530, 21972160, 24326320, 34056848, 40066880, 42571060, 48652640, 68113696, 85142120, 97305280, 136227392, 170284240, 340568480, 681136960]

約数ペア:

[(1, 681136960), (2, 340568480), (4, 170284240), (5, 136227392), (7, 97305280), (8, 85142120), (10, 68113696), (14, 48652640), (16, 42571060), (17, 40066880), (20, 34056848), (28, 24326320), (31, 21972160), (32, 21285530), (34, 20033440), (35, 19461056), (40, 17028424), (56, 12163160), (62, 10986080), (64, 10642765), (68, 10016720), (70, 9730528), (80, 8514212), (85, 8013376), (112, 6081580), (119, 5723840), (124, 5493040), (136, 5008360), (140, 4865264), (155, 4394432), (160, 4257106), (170, 4006688), (217, 3138880), (224, 3040790), (238, 2861920), (248, 2746520), (272, 2504180), (280, 2432632), (310, 2197216), (320, 2128553), (340, 2003344), (434, 1569440), (448, 1520395), (476, 1430960), (496, 1373260), (527, 1292480), (544, 1252090), (560, 1216316), (577, 1180480), (595, 1144768), (620, 1098608), (680, 1001672), (868, 784720), (952, 715480), (992, 686630), (1054, 646240), (1085, 627776), (1088, 626045), (1120, 608158), (1154, 590240), (1190, 572384), (1240, 549304), (1360, 500836), (1736, 392360), (1904, 357740), (1984, 343315), (2108, 323120), (2170, 313888), (2240, 304079), (2308, 295120), (2380, 286192), (2480, 274652), (2635, 258496), (2720, 250418), (2885, 236096), (3472, 196180), (3689, 184640), (3808, 178870), (4039, 168640), (4216, 161560), (4340, 156944), (4616, 147560), (4760, 143096), (4960, 137326), (5270, 129248), (5440, 125209), (5770, 118048), (6944, 98090), (7378, 92320), (7616, 89435), (8078, 84320), (8432, 80780), (8680, 78472), (9232, 73780), (9520, 71548), (9809, 69440), (9920, 68663), (10540, 64624), (11540, 59024), (13888, 49045), (14756, 46160), (16156, 42160), (16864, 40390), (17360, 39236), (17887, 38080), (18445, 36928), (18464, 36890), (19040, 35774), (19618, 34720), (20195, 33728), (21080, 32312), (23080, 29512)]