155778140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 427472640

約数和(自身を除く): 271694500

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 37, 58, 61, 68, 70, 74, 85, 116, 119, 122, 140, 145, 148, 170, 185, 203, 238, 244, 259, 290, 305, 340, 370, 406, 427, 476, 493, 518, 580, 595, 610, 629, 740, 812, 854, 986, 1015, 1036, 1037, 1073, 1190, 1220, 1258, 1295, 1708, 1769, 1972, 2030, 2074, 2135, 2146, 2257, 2380, 2465, 2516, 2590, 3145, 3451, 3538, 4060, 4148, 4270, 4292, 4403, 4514, 4930, 5180, 5185, 5365, 6290, 6902, 7076, 7259, 7511, 8540, 8806, 8845, 9028, 9860, 10370, 10730, 11285, 12383, 12580, 13804, 14518, 15022, 15799, 17255, 17612, 17690, 18241, 20740, 21460, 22015, 22570, 24766, 29036, 30044, 30073, 31598, 34510, 35380, 36295, 36482, 37555, 38369, 44030, 45140, 49532, 60146, 61915, 63196, 65453, 69020, 72590, 72964, 75110, 76738, 78995, 88060, 91205, 120292, 123830, 127687, 130906, 145180, 150220, 150365, 153476, 157990, 182410, 191845, 210511, 247660, 255374, 261812, 268583, 300730, 315980, 327265, 364820, 383690, 421022, 458171, 510748, 537166, 601460, 638435, 654530, 767380, 842044, 916342, 1052555, 1074332, 1112701, 1276870, 1309060, 1342915, 1832684, 2105110, 2225402, 2290855, 2553740, 2685830, 4210220, 4450804, 4581710, 5371660, 5563505, 7788907, 9163420, 11127010, 15577814, 22254020, 31155628, 38944535, 77889070, 155778140]

約数ペア:

[(1, 155778140), (2, 77889070), (4, 38944535), (5, 31155628), (7, 22254020), (10, 15577814), (14, 11127010), (17, 9163420), (20, 7788907), (28, 5563505), (29, 5371660), (34, 4581710), (35, 4450804), (37, 4210220), (58, 2685830), (61, 2553740), (68, 2290855), (70, 2225402), (74, 2105110), (85, 1832684), (116, 1342915), (119, 1309060), (122, 1276870), (140, 1112701), (145, 1074332), (148, 1052555), (170, 916342), (185, 842044), (203, 767380), (238, 654530), (244, 638435), (259, 601460), (290, 537166), (305, 510748), (340, 458171), (370, 421022), (406, 383690), (427, 364820), (476, 327265), (493, 315980), (518, 300730), (580, 268583), (595, 261812), (610, 255374), (629, 247660), (740, 210511), (812, 191845), (854, 182410), (986, 157990), (1015, 153476), (1036, 150365), (1037, 150220), (1073, 145180), (1190, 130906), (1220, 127687), (1258, 123830), (1295, 120292), (1708, 91205), (1769, 88060), (1972, 78995), (2030, 76738), (2074, 75110), (2135, 72964), (2146, 72590), (2257, 69020), (2380, 65453), (2465, 63196), (2516, 61915), (2590, 60146), (3145, 49532), (3451, 45140), (3538, 44030), (4060, 38369), (4148, 37555), (4270, 36482), (4292, 36295), (4403, 35380), (4514, 34510), (4930, 31598), (5180, 30073), (5185, 30044), (5365, 29036), (6290, 24766), (6902, 22570), (7076, 22015), (7259, 21460), (7511, 20740), (8540, 18241), (8806, 17690), (8845, 17612), (9028, 17255), (9860, 15799), (10370, 15022), (10730, 14518), (11285, 13804), (12383, 12580)]