80236520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 234420480

約数和(自身を除く): 154183960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 47, 49, 52, 56, 65, 67, 70, 91, 94, 98, 104, 130, 134, 140, 182, 188, 196, 235, 245, 260, 268, 280, 329, 335, 364, 376, 392, 455, 469, 470, 490, 520, 536, 611, 637, 658, 670, 728, 871, 910, 938, 940, 980, 1222, 1274, 1316, 1340, 1645, 1742, 1820, 1876, 1880, 1960, 2303, 2345, 2444, 2548, 2632, 2680, 3055, 3149, 3185, 3283, 3290, 3484, 3640, 3752, 4277, 4355, 4606, 4690, 4888, 5096, 6097, 6110, 6298, 6370, 6566, 6580, 6968, 8554, 8710, 9212, 9380, 11515, 12194, 12220, 12596, 12740, 13132, 13160, 15745, 16415, 17108, 17420, 18424, 18760, 21385, 22043, 23030, 24388, 24440, 25192, 25480, 26264, 29939, 30485, 31490, 32830, 34216, 34840, 40937, 42679, 42770, 44086, 46060, 48776, 59878, 60970, 62980, 65660, 81874, 85358, 85540, 88172, 92120, 110215, 119756, 121940, 125960, 131320, 149695, 154301, 163748, 170716, 171080, 176344, 204685, 213395, 220430, 239512, 243880, 286559, 299390, 308602, 327496, 341432, 409370, 426790, 440860, 573118, 598780, 617204, 771505, 818740, 853580, 881720, 1146236, 1197560, 1234408, 1432795, 1543010, 1637480, 1707160, 2005913, 2292472, 2865590, 3086020, 4011826, 5731180, 6172040, 8023652, 10029565, 11462360, 16047304, 20059130, 40118260, 80236520]

約数ペア:

[(1, 80236520), (2, 40118260), (4, 20059130), (5, 16047304), (7, 11462360), (8, 10029565), (10, 8023652), (13, 6172040), (14, 5731180), (20, 4011826), (26, 3086020), (28, 2865590), (35, 2292472), (40, 2005913), (47, 1707160), (49, 1637480), (52, 1543010), (56, 1432795), (65, 1234408), (67, 1197560), (70, 1146236), (91, 881720), (94, 853580), (98, 818740), (104, 771505), (130, 617204), (134, 598780), (140, 573118), (182, 440860), (188, 426790), (196, 409370), (235, 341432), (245, 327496), (260, 308602), (268, 299390), (280, 286559), (329, 243880), (335, 239512), (364, 220430), (376, 213395), (392, 204685), (455, 176344), (469, 171080), (470, 170716), (490, 163748), (520, 154301), (536, 149695), (611, 131320), (637, 125960), (658, 121940), (670, 119756), (728, 110215), (871, 92120), (910, 88172), (938, 85540), (940, 85358), (980, 81874), (1222, 65660), (1274, 62980), (1316, 60970), (1340, 59878), (1645, 48776), (1742, 46060), (1820, 44086), (1876, 42770), (1880, 42679), (1960, 40937), (2303, 34840), (2345, 34216), (2444, 32830), (2548, 31490), (2632, 30485), (2680, 29939), (3055, 26264), (3149, 25480), (3185, 25192), (3283, 24440), (3290, 24388), (3484, 23030), (3640, 22043), (3752, 21385), (4277, 18760), (4355, 18424), (4606, 17420), (4690, 17108), (4888, 16415), (5096, 15745), (6097, 13160), (6110, 13132), (6298, 12740), (6370, 12596), (6566, 12220), (6580, 12194), (6968, 11515), (8554, 9380), (8710, 9212)]