55978780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 148274784

約数和(自身を除く): 92296004

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 37, 44, 46, 52, 55, 65, 74, 92, 110, 115, 130, 143, 148, 185, 220, 230, 253, 260, 286, 299, 370, 407, 460, 481, 506, 529, 572, 598, 715, 740, 814, 851, 962, 1012, 1058, 1196, 1265, 1430, 1495, 1628, 1702, 1924, 2035, 2116, 2405, 2530, 2645, 2860, 2990, 3289, 3404, 4070, 4255, 4810, 5060, 5290, 5291, 5819, 5980, 6578, 6877, 8140, 8510, 9361, 9620, 10580, 10582, 11063, 11638, 13156, 13754, 16445, 17020, 18722, 19573, 21164, 22126, 23276, 26455, 27508, 29095, 32890, 34385, 37444, 39146, 44252, 46805, 52910, 55315, 58190, 65780, 68770, 75647, 78292, 93610, 97865, 105820, 110630, 116380, 121693, 137540, 151294, 187220, 195730, 215303, 221260, 243386, 254449, 302588, 378235, 391460, 430606, 486772, 508898, 608465, 756470, 861212, 1017796, 1076515, 1216930, 1272245, 1512940, 2153030, 2433860, 2544490, 2798939, 4306060, 5088980, 5597878, 11195756, 13994695, 27989390, 55978780]

約数ペア:

[(1, 55978780), (2, 27989390), (4, 13994695), (5, 11195756), (10, 5597878), (11, 5088980), (13, 4306060), (20, 2798939), (22, 2544490), (23, 2433860), (26, 2153030), (37, 1512940), (44, 1272245), (46, 1216930), (52, 1076515), (55, 1017796), (65, 861212), (74, 756470), (92, 608465), (110, 508898), (115, 486772), (130, 430606), (143, 391460), (148, 378235), (185, 302588), (220, 254449), (230, 243386), (253, 221260), (260, 215303), (286, 195730), (299, 187220), (370, 151294), (407, 137540), (460, 121693), (481, 116380), (506, 110630), (529, 105820), (572, 97865), (598, 93610), (715, 78292), (740, 75647), (814, 68770), (851, 65780), (962, 58190), (1012, 55315), (1058, 52910), (1196, 46805), (1265, 44252), (1430, 39146), (1495, 37444), (1628, 34385), (1702, 32890), (1924, 29095), (2035, 27508), (2116, 26455), (2405, 23276), (2530, 22126), (2645, 21164), (2860, 19573), (2990, 18722), (3289, 17020), (3404, 16445), (4070, 13754), (4255, 13156), (4810, 11638), (5060, 11063), (5290, 10582), (5291, 10580), (5819, 9620), (5980, 9361), (6578, 8510), (6877, 8140)]