64123920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{4241}}^1$

素因数の和:4270

約数の個数: 160

約数和(自身を含む): 252483840

約数和(自身を除く): 188359920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 4241, 5040, 7560, 8482, 12723, 15120, 16964, 21205, 25446, 29687, 33928, 38169, 42410, 50892, 59374, 63615, 67856, 76338, 84820, 89061, 101784, 114507, 118748, 127230, 148435, 152676, 169640, 178122, 190845, 203568, 229014, 237496, 254460, 267183, 296870, 305352, 339280, 356244, 381690, 445305, 458028, 474992, 508920, 534366, 572535, 593740, 610704, 712488, 763380, 801549, 890610, 916056, 1017840, 1068732, 1145070, 1187480, 1335915, 1424976, 1526760, 1603098, 1781220, 1832112, 2137464, 2290140, 2374960, 2671830, 3053520, 3206196, 3562440, 4007745, 4274928, 4580280, 5343660, 6412392, 7124880, 8015490, 9160560, 10687320, 12824784, 16030980, 21374640, 32061960, 64123920]

約数ペア:

[(1, 64123920), (2, 32061960), (3, 21374640), (4, 16030980), (5, 12824784), (6, 10687320), (7, 9160560), (8, 8015490), (9, 7124880), (10, 6412392), (12, 5343660), (14, 4580280), (15, 4274928), (16, 4007745), (18, 3562440), (20, 3206196), (21, 3053520), (24, 2671830), (27, 2374960), (28, 2290140), (30, 2137464), (35, 1832112), (36, 1781220), (40, 1603098), (42, 1526760), (45, 1424976), (48, 1335915), (54, 1187480), (56, 1145070), (60, 1068732), (63, 1017840), (70, 916056), (72, 890610), (80, 801549), (84, 763380), (90, 712488), (105, 610704), (108, 593740), (112, 572535), (120, 534366), (126, 508920), (135, 474992), (140, 458028), (144, 445305), (168, 381690), (180, 356244), (189, 339280), (210, 305352), (216, 296870), (240, 267183), (252, 254460), (270, 237496), (280, 229014), (315, 203568), (336, 190845), (360, 178122), (378, 169640), (420, 152676), (432, 148435), (504, 127230), (540, 118748), (560, 114507), (630, 101784), (720, 89061), (756, 84820), (840, 76338), (945, 67856), (1008, 63615), (1080, 59374), (1260, 50892), (1512, 42410), (1680, 38169), (1890, 33928), (2160, 29687), (2520, 25446), (3024, 21205), (3780, 16964), (4241, 15120), (5040, 12723), (7560, 8482)]