280179984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:813

約数の個数: 160

約数和(自身を含む): 878166016

約数和(自身を除く): 597986032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 37, 42, 48, 56, 62, 74, 84, 93, 111, 112, 124, 148, 168, 186, 217, 222, 248, 259, 296, 336, 372, 434, 444, 496, 518, 592, 651, 727, 744, 777, 868, 888, 1036, 1147, 1302, 1454, 1488, 1554, 1736, 1776, 2072, 2181, 2294, 2604, 2908, 3108, 3441, 3472, 4144, 4362, 4588, 5089, 5208, 5816, 6216, 6882, 8029, 8724, 9176, 10178, 10416, 11632, 12432, 13764, 15267, 16058, 17448, 18352, 20356, 22537, 24087, 26899, 27528, 30534, 32116, 34896, 40712, 45074, 48174, 53798, 55056, 61068, 64232, 67611, 80697, 81424, 90148, 96348, 107596, 122136, 128464, 135222, 157759, 161394, 180296, 188293, 192696, 215192, 244272, 270444, 315518, 322788, 360592, 376586, 385392, 430384, 473277, 540888, 564879, 631036, 645576, 753172, 833869, 946554, 1081776, 1129758, 1262072, 1291152, 1506344, 1667738, 1893108, 2259516, 2501607, 2524144, 3012688, 3335476, 3786216, 4519032, 5003214, 5837083, 6670952, 7572432, 9038064, 10006428, 11674166, 13341904, 17511249, 20012856, 23348332, 35022498, 40025712, 46696664, 70044996, 93393328, 140089992, 280179984]

約数ペア:

[(1, 280179984), (2, 140089992), (3, 93393328), (4, 70044996), (6, 46696664), (7, 40025712), (8, 35022498), (12, 23348332), (14, 20012856), (16, 17511249), (21, 13341904), (24, 11674166), (28, 10006428), (31, 9038064), (37, 7572432), (42, 6670952), (48, 5837083), (56, 5003214), (62, 4519032), (74, 3786216), (84, 3335476), (93, 3012688), (111, 2524144), (112, 2501607), (124, 2259516), (148, 1893108), (168, 1667738), (186, 1506344), (217, 1291152), (222, 1262072), (248, 1129758), (259, 1081776), (296, 946554), (336, 833869), (372, 753172), (434, 645576), (444, 631036), (496, 564879), (518, 540888), (592, 473277), (651, 430384), (727, 385392), (744, 376586), (777, 360592), (868, 322788), (888, 315518), (1036, 270444), (1147, 244272), (1302, 215192), (1454, 192696), (1488, 188293), (1554, 180296), (1736, 161394), (1776, 157759), (2072, 135222), (2181, 128464), (2294, 122136), (2604, 107596), (2908, 96348), (3108, 90148), (3441, 81424), (3472, 80697), (4144, 67611), (4362, 64232), (4588, 61068), (5089, 55056), (5208, 53798), (5816, 48174), (6216, 45074), (6882, 40712), (8029, 34896), (8724, 32116), (9176, 30534), (10178, 27528), (10416, 26899), (11632, 24087), (12432, 22537), (13764, 20356), (15267, 18352), (16058, 17448)]