388142160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{499}}^1$

素因数の和:985

約数の個数: 160

約数和(自身を含む): 1380864000

約数和(自身を除く): 992721840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 463, 499, 560, 840, 926, 998, 1389, 1497, 1680, 1852, 1996, 2315, 2495, 2778, 2994, 3241, 3493, 3704, 3992, 4630, 4990, 5556, 5988, 6482, 6945, 6986, 7408, 7485, 7984, 9260, 9723, 9980, 10479, 11112, 11976, 12964, 13890, 13972, 14970, 16205, 17465, 18520, 19446, 19960, 20958, 22224, 23952, 25928, 27780, 27944, 29940, 32410, 34930, 37040, 38892, 39920, 41916, 48615, 51856, 52395, 55560, 55888, 59880, 64820, 69860, 77784, 83832, 97230, 104790, 111120, 119760, 129640, 139720, 155568, 167664, 194460, 209580, 231037, 259280, 279440, 388920, 419160, 462074, 693111, 777840, 838320, 924148, 1155185, 1386222, 1617259, 1848296, 2310370, 2772444, 3234518, 3465555, 3696592, 4620740, 4851777, 5544888, 6469036, 6931110, 8086295, 9241480, 9703554, 11089776, 12938072, 13862220, 16172590, 18482960, 19407108, 24258885, 25876144, 27724440, 32345180, 38814216, 48517770, 55448880, 64690360, 77628432, 97035540, 129380720, 194071080, 388142160]

約数ペア:

[(1, 388142160), (2, 194071080), (3, 129380720), (4, 97035540), (5, 77628432), (6, 64690360), (7, 55448880), (8, 48517770), (10, 38814216), (12, 32345180), (14, 27724440), (15, 25876144), (16, 24258885), (20, 19407108), (21, 18482960), (24, 16172590), (28, 13862220), (30, 12938072), (35, 11089776), (40, 9703554), (42, 9241480), (48, 8086295), (56, 6931110), (60, 6469036), (70, 5544888), (80, 4851777), (84, 4620740), (105, 3696592), (112, 3465555), (120, 3234518), (140, 2772444), (168, 2310370), (210, 1848296), (240, 1617259), (280, 1386222), (336, 1155185), (420, 924148), (463, 838320), (499, 777840), (560, 693111), (840, 462074), (926, 419160), (998, 388920), (1389, 279440), (1497, 259280), (1680, 231037), (1852, 209580), (1996, 194460), (2315, 167664), (2495, 155568), (2778, 139720), (2994, 129640), (3241, 119760), (3493, 111120), (3704, 104790), (3992, 97230), (4630, 83832), (4990, 77784), (5556, 69860), (5988, 64820), (6482, 59880), (6945, 55888), (6986, 55560), (7408, 52395), (7485, 51856), (7984, 48615), (9260, 41916), (9723, 39920), (9980, 38892), (10479, 37040), (11112, 34930), (11976, 32410), (12964, 29940), (13890, 27944), (13972, 27780), (14970, 25928), (16205, 23952), (17465, 22224), (18520, 20958), (19446, 19960)]