640103160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6529}}^1$

素因数の和:6605

約数の個数: 128

約数和(自身を含む): 2068704000

約数和(自身を除く): 1428600840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 43, 57, 60, 76, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 258, 285, 344, 380, 430, 456, 516, 570, 645, 760, 817, 860, 1032, 1140, 1290, 1634, 1720, 2280, 2451, 2580, 3268, 4085, 4902, 5160, 6529, 6536, 8170, 9804, 12255, 13058, 16340, 19587, 19608, 24510, 26116, 32645, 32680, 39174, 49020, 52232, 65290, 78348, 97935, 98040, 124051, 130580, 156696, 195870, 248102, 261160, 280747, 372153, 391740, 496204, 561494, 620255, 744306, 783480, 842241, 992408, 1122988, 1240510, 1403735, 1488612, 1684482, 1860765, 2245976, 2481020, 2807470, 2977224, 3368964, 3721530, 4211205, 4962040, 5334193, 5614940, 6737928, 7443060, 8422410, 10668386, 11229880, 14886120, 16002579, 16844820, 21336772, 26670965, 32005158, 33689640, 42673544, 53341930, 64010316, 80012895, 106683860, 128020632, 160025790, 213367720, 320051580, 640103160]

約数ペア:

[(1, 640103160), (2, 320051580), (3, 213367720), (4, 160025790), (5, 128020632), (6, 106683860), (8, 80012895), (10, 64010316), (12, 53341930), (15, 42673544), (19, 33689640), (20, 32005158), (24, 26670965), (30, 21336772), (38, 16844820), (40, 16002579), (43, 14886120), (57, 11229880), (60, 10668386), (76, 8422410), (86, 7443060), (95, 6737928), (114, 5614940), (120, 5334193), (129, 4962040), (152, 4211205), (172, 3721530), (190, 3368964), (215, 2977224), (228, 2807470), (258, 2481020), (285, 2245976), (344, 1860765), (380, 1684482), (430, 1488612), (456, 1403735), (516, 1240510), (570, 1122988), (645, 992408), (760, 842241), (817, 783480), (860, 744306), (1032, 620255), (1140, 561494), (1290, 496204), (1634, 391740), (1720, 372153), (2280, 280747), (2451, 261160), (2580, 248102), (3268, 195870), (4085, 156696), (4902, 130580), (5160, 124051), (6529, 98040), (6536, 97935), (8170, 78348), (9804, 65290), (12255, 52232), (13058, 49020), (16340, 39174), (19587, 32680), (19608, 32645), (24510, 26116)]