578431980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{5531}}^1$

素因数の和:5636

約数の個数: 144

約数和(自身を含む): 2029757184

約数和(自身を除く): 1451325204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 830, 996, 1162, 1245, 1260, 1494, 1660, 1743, 2324, 2490, 2905, 2988, 3486, 3735, 4980, 5229, 5531, 5810, 6972, 7470, 8715, 10458, 11062, 11620, 14940, 16593, 17430, 20916, 22124, 26145, 27655, 33186, 34860, 38717, 49779, 52290, 55310, 66372, 77434, 82965, 99558, 104580, 110620, 116151, 154868, 165930, 193585, 199116, 232302, 248895, 331860, 348453, 387170, 459073, 464604, 497790, 580755, 696906, 774340, 918146, 995580, 1161510, 1377219, 1393812, 1742265, 1836292, 2295365, 2323020, 2754438, 3213511, 3484530, 4131657, 4590730, 5508876, 6427022, 6886095, 6969060, 8263314, 9181460, 9640533, 12854044, 13772190, 16067555, 16526628, 19281066, 20658285, 27544380, 28921599, 32135110, 38562132, 41316570, 48202665, 57843198, 64270220, 82633140, 96405330, 115686396, 144607995, 192810660, 289215990, 578431980]

約数ペア:

[(1, 578431980), (2, 289215990), (3, 192810660), (4, 144607995), (5, 115686396), (6, 96405330), (7, 82633140), (9, 64270220), (10, 57843198), (12, 48202665), (14, 41316570), (15, 38562132), (18, 32135110), (20, 28921599), (21, 27544380), (28, 20658285), (30, 19281066), (35, 16526628), (36, 16067555), (42, 13772190), (45, 12854044), (60, 9640533), (63, 9181460), (70, 8263314), (83, 6969060), (84, 6886095), (90, 6427022), (105, 5508876), (126, 4590730), (140, 4131657), (166, 3484530), (180, 3213511), (210, 2754438), (249, 2323020), (252, 2295365), (315, 1836292), (332, 1742265), (415, 1393812), (420, 1377219), (498, 1161510), (581, 995580), (630, 918146), (747, 774340), (830, 696906), (996, 580755), (1162, 497790), (1245, 464604), (1260, 459073), (1494, 387170), (1660, 348453), (1743, 331860), (2324, 248895), (2490, 232302), (2905, 199116), (2988, 193585), (3486, 165930), (3735, 154868), (4980, 116151), (5229, 110620), (5531, 104580), (5810, 99558), (6972, 82965), (7470, 77434), (8715, 66372), (10458, 55310), (11062, 52290), (11620, 49779), (14940, 38717), (16593, 34860), (17430, 33186), (20916, 27655), (22124, 26145)]