1771801880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:789

約数の個数: 128

約数和(自身を含む): 4373066880

約数和(自身を除く): 2601265000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 103, 136, 164, 170, 205, 206, 328, 340, 410, 412, 515, 617, 680, 697, 820, 824, 1030, 1234, 1394, 1640, 1751, 2060, 2468, 2788, 3085, 3485, 3502, 4120, 4223, 4936, 5576, 6170, 6970, 7004, 8446, 8755, 10489, 12340, 13940, 14008, 16892, 17510, 20978, 21115, 24680, 25297, 27880, 33784, 35020, 41956, 42230, 50594, 52445, 63551, 70040, 71791, 83912, 84460, 101188, 104890, 126485, 127102, 143582, 168920, 202376, 209780, 252970, 254204, 287164, 317755, 358955, 419560, 430049, 505940, 508408, 574328, 635510, 717910, 860098, 1011880, 1080367, 1271020, 1435820, 1720196, 2150245, 2160734, 2542040, 2605591, 2871640, 3440392, 4300490, 4321468, 5211182, 5401835, 8600980, 8642936, 10422364, 10803670, 13027955, 17201960, 20844728, 21607340, 26055910, 43214680, 44295047, 52111820, 88590094, 104223640, 177180188, 221475235, 354360376, 442950470, 885900940, 1771801880]

約数ペア:

[(1, 1771801880), (2, 885900940), (4, 442950470), (5, 354360376), (8, 221475235), (10, 177180188), (17, 104223640), (20, 88590094), (34, 52111820), (40, 44295047), (41, 43214680), (68, 26055910), (82, 21607340), (85, 20844728), (103, 17201960), (136, 13027955), (164, 10803670), (170, 10422364), (205, 8642936), (206, 8600980), (328, 5401835), (340, 5211182), (410, 4321468), (412, 4300490), (515, 3440392), (617, 2871640), (680, 2605591), (697, 2542040), (820, 2160734), (824, 2150245), (1030, 1720196), (1234, 1435820), (1394, 1271020), (1640, 1080367), (1751, 1011880), (2060, 860098), (2468, 717910), (2788, 635510), (3085, 574328), (3485, 508408), (3502, 505940), (4120, 430049), (4223, 419560), (4936, 358955), (5576, 317755), (6170, 287164), (6970, 254204), (7004, 252970), (8446, 209780), (8755, 202376), (10489, 168920), (12340, 143582), (13940, 127102), (14008, 126485), (16892, 104890), (17510, 101188), (20978, 84460), (21115, 83912), (24680, 71791), (25297, 70040), (27880, 63551), (33784, 52445), (35020, 50594), (41956, 42230)]