555391980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21577}}^1$

素因数の和:21616

約数の個数: 144

約数和(自身を含む): 1979306784

約数和(自身を除く): 1423914804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 12870, 21577, 25740, 43154, 64731, 86308, 107885, 129462, 194193, 215770, 237347, 258924, 280501, 323655, 388386, 431540, 474694, 561002, 647310, 712041, 776772, 841503, 949388, 970965, 1122004, 1186735, 1294620, 1402505, 1424082, 1683006, 1941930, 2136123, 2373470, 2524509, 2805010, 2848164, 3085511, 3366012, 3560205, 3883860, 4207515, 4272246, 4746940, 5049018, 5610020, 6171022, 7120410, 8415030, 8544492, 9256533, 10098036, 10680615, 12342044, 12622545, 14240820, 15427555, 16830060, 18513066, 21361230, 25245090, 27769599, 30855110, 37026132, 42722460, 46282665, 50490180, 55539198, 61710220, 92565330, 111078396, 138847995, 185130660, 277695990, 555391980]

約数ペア:

[(1, 555391980), (2, 277695990), (3, 185130660), (4, 138847995), (5, 111078396), (6, 92565330), (9, 61710220), (10, 55539198), (11, 50490180), (12, 46282665), (13, 42722460), (15, 37026132), (18, 30855110), (20, 27769599), (22, 25245090), (26, 21361230), (30, 18513066), (33, 16830060), (36, 15427555), (39, 14240820), (44, 12622545), (45, 12342044), (52, 10680615), (55, 10098036), (60, 9256533), (65, 8544492), (66, 8415030), (78, 7120410), (90, 6171022), (99, 5610020), (110, 5049018), (117, 4746940), (130, 4272246), (132, 4207515), (143, 3883860), (156, 3560205), (165, 3366012), (180, 3085511), (195, 2848164), (198, 2805010), (220, 2524509), (234, 2373470), (260, 2136123), (286, 1941930), (330, 1683006), (390, 1424082), (396, 1402505), (429, 1294620), (468, 1186735), (495, 1122004), (572, 970965), (585, 949388), (660, 841503), (715, 776772), (780, 712041), (858, 647310), (990, 561002), (1170, 474694), (1287, 431540), (1430, 388386), (1716, 323655), (1980, 280501), (2145, 258924), (2340, 237347), (2574, 215770), (2860, 194193), (4290, 129462), (5148, 107885), (6435, 86308), (8580, 64731), (12870, 43154), (21577, 25740)]