85142120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 239708160

約数和(自身を除く): 154566040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 280, 310, 340, 434, 476, 527, 577, 595, 620, 680, 868, 952, 1054, 1085, 1154, 1190, 1240, 1736, 2108, 2170, 2308, 2380, 2635, 2885, 3689, 4039, 4216, 4340, 4616, 4760, 5270, 5770, 7378, 8078, 8680, 9809, 10540, 11540, 14756, 16156, 17887, 18445, 19618, 20195, 21080, 23080, 29512, 32312, 35774, 36890, 39236, 40390, 49045, 68663, 71548, 73780, 78472, 80780, 89435, 98090, 125209, 137326, 143096, 147560, 161560, 178870, 196180, 250418, 274652, 304079, 343315, 357740, 392360, 500836, 549304, 608158, 626045, 686630, 715480, 1001672, 1216316, 1252090, 1373260, 1520395, 2128553, 2432632, 2504180, 2746520, 3040790, 4257106, 5008360, 6081580, 8514212, 10642765, 12163160, 17028424, 21285530, 42571060, 85142120]

約数ペア:

[(1, 85142120), (2, 42571060), (4, 21285530), (5, 17028424), (7, 12163160), (8, 10642765), (10, 8514212), (14, 6081580), (17, 5008360), (20, 4257106), (28, 3040790), (31, 2746520), (34, 2504180), (35, 2432632), (40, 2128553), (56, 1520395), (62, 1373260), (68, 1252090), (70, 1216316), (85, 1001672), (119, 715480), (124, 686630), (136, 626045), (140, 608158), (155, 549304), (170, 500836), (217, 392360), (238, 357740), (248, 343315), (280, 304079), (310, 274652), (340, 250418), (434, 196180), (476, 178870), (527, 161560), (577, 147560), (595, 143096), (620, 137326), (680, 125209), (868, 98090), (952, 89435), (1054, 80780), (1085, 78472), (1154, 73780), (1190, 71548), (1240, 68663), (1736, 49045), (2108, 40390), (2170, 39236), (2308, 36890), (2380, 35774), (2635, 32312), (2885, 29512), (3689, 23080), (4039, 21080), (4216, 20195), (4340, 19618), (4616, 18445), (4760, 17887), (5270, 16156), (5770, 14756), (7378, 11540), (8078, 10540), (8680, 9809)]