720309912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1997}}^1$

素因数の和:2145

約数の個数: 128

約数和(自身を含む): 2186611200

約数和(自身を除く): 1466301288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 113, 114, 133, 152, 168, 226, 228, 266, 339, 399, 452, 456, 532, 678, 791, 798, 904, 1064, 1356, 1582, 1596, 1997, 2147, 2373, 2712, 3164, 3192, 3994, 4294, 4746, 5991, 6328, 6441, 7988, 8588, 9492, 11982, 12882, 13979, 15029, 15976, 17176, 18984, 23964, 25764, 27958, 30058, 37943, 41937, 45087, 47928, 51528, 55916, 60116, 75886, 83874, 90174, 111832, 113829, 120232, 151772, 167748, 180348, 225661, 227658, 265601, 303544, 335496, 360696, 451322, 455316, 531202, 676983, 796803, 902644, 910632, 1062404, 1353966, 1579627, 1593606, 1805288, 2124808, 2707932, 3159254, 3187212, 4287559, 4738881, 5415864, 6318508, 6374424, 8575118, 9477762, 12637016, 12862677, 17150236, 18955524, 25725354, 30012913, 34300472, 37911048, 51450708, 60025826, 90038739, 102901416, 120051652, 180077478, 240103304, 360154956, 720309912]

約数ペア:

[(1, 720309912), (2, 360154956), (3, 240103304), (4, 180077478), (6, 120051652), (7, 102901416), (8, 90038739), (12, 60025826), (14, 51450708), (19, 37911048), (21, 34300472), (24, 30012913), (28, 25725354), (38, 18955524), (42, 17150236), (56, 12862677), (57, 12637016), (76, 9477762), (84, 8575118), (113, 6374424), (114, 6318508), (133, 5415864), (152, 4738881), (168, 4287559), (226, 3187212), (228, 3159254), (266, 2707932), (339, 2124808), (399, 1805288), (452, 1593606), (456, 1579627), (532, 1353966), (678, 1062404), (791, 910632), (798, 902644), (904, 796803), (1064, 676983), (1356, 531202), (1582, 455316), (1596, 451322), (1997, 360696), (2147, 335496), (2373, 303544), (2712, 265601), (3164, 227658), (3192, 225661), (3994, 180348), (4294, 167748), (4746, 151772), (5991, 120232), (6328, 113829), (6441, 111832), (7988, 90174), (8588, 83874), (9492, 75886), (11982, 60116), (12882, 55916), (13979, 51528), (15029, 47928), (15976, 45087), (17176, 41937), (18984, 37943), (23964, 30058), (25764, 27958)]