79205560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 138522440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 251, 280, 322, 343, 392, 460, 490, 502, 644, 686, 805, 920, 980, 1004, 1127, 1255, 1288, 1372, 1610, 1715, 1757, 1960, 2008, 2254, 2510, 2744, 3220, 3430, 3514, 4508, 5020, 5635, 5773, 6440, 6860, 7028, 7889, 8785, 9016, 10040, 11270, 11546, 12299, 13720, 14056, 15778, 17570, 22540, 23092, 24598, 28865, 31556, 35140, 39445, 40411, 45080, 46184, 49196, 57730, 61495, 63112, 70280, 78890, 80822, 86093, 98392, 115460, 122990, 157780, 161644, 172186, 202055, 230920, 245980, 282877, 315560, 323288, 344372, 404110, 430465, 491960, 565754, 688744, 808220, 860930, 1131508, 1414385, 1616440, 1721860, 1980139, 2263016, 2828770, 3443720, 3960278, 5657540, 7920556, 9900695, 11315080, 15841112, 19801390, 39602780, 79205560]

約数ペア:

[(1, 79205560), (2, 39602780), (4, 19801390), (5, 15841112), (7, 11315080), (8, 9900695), (10, 7920556), (14, 5657540), (20, 3960278), (23, 3443720), (28, 2828770), (35, 2263016), (40, 1980139), (46, 1721860), (49, 1616440), (56, 1414385), (70, 1131508), (92, 860930), (98, 808220), (115, 688744), (140, 565754), (161, 491960), (184, 430465), (196, 404110), (230, 344372), (245, 323288), (251, 315560), (280, 282877), (322, 245980), (343, 230920), (392, 202055), (460, 172186), (490, 161644), (502, 157780), (644, 122990), (686, 115460), (805, 98392), (920, 86093), (980, 80822), (1004, 78890), (1127, 70280), (1255, 63112), (1288, 61495), (1372, 57730), (1610, 49196), (1715, 46184), (1757, 45080), (1960, 40411), (2008, 39445), (2254, 35140), (2510, 31556), (2744, 28865), (3220, 24598), (3430, 23092), (3514, 22540), (4508, 17570), (5020, 15778), (5635, 14056), (5773, 13720), (6440, 12299), (6860, 11546), (7028, 11270), (7889, 10040), (8785, 9016)]