78880780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 193052160

約数和(自身を除く): 114171380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 113, 167, 190, 209, 220, 226, 334, 380, 418, 452, 565, 668, 835, 836, 1045, 1130, 1243, 1670, 1837, 2090, 2147, 2260, 2486, 3173, 3340, 3674, 4180, 4294, 4972, 6215, 6346, 7348, 8588, 9185, 10735, 12430, 12692, 15865, 18370, 18871, 21470, 23617, 24860, 31730, 34903, 36740, 37742, 42940, 47234, 63460, 69806, 75484, 94355, 94468, 118085, 139612, 174515, 188710, 207581, 236170, 349030, 358549, 377420, 415162, 472340, 698060, 717098, 830324, 1037905, 1434196, 1792745, 2075810, 3585490, 3944039, 4151620, 7170980, 7888078, 15776156, 19720195, 39440390, 78880780]

約数ペア:

[(1, 78880780), (2, 39440390), (4, 19720195), (5, 15776156), (10, 7888078), (11, 7170980), (19, 4151620), (20, 3944039), (22, 3585490), (38, 2075810), (44, 1792745), (55, 1434196), (76, 1037905), (95, 830324), (110, 717098), (113, 698060), (167, 472340), (190, 415162), (209, 377420), (220, 358549), (226, 349030), (334, 236170), (380, 207581), (418, 188710), (452, 174515), (565, 139612), (668, 118085), (835, 94468), (836, 94355), (1045, 75484), (1130, 69806), (1243, 63460), (1670, 47234), (1837, 42940), (2090, 37742), (2147, 36740), (2260, 34903), (2486, 31730), (3173, 24860), (3340, 23617), (3674, 21470), (4180, 18871), (4294, 18370), (4972, 15865), (6215, 12692), (6346, 12430), (7348, 10735), (8588, 9185)]