53980020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 176117760

約数和(自身を除く): 122137740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 243, 261, 270, 290, 324, 348, 383, 405, 435, 486, 522, 540, 580, 766, 783, 810, 870, 972, 1044, 1149, 1215, 1305, 1532, 1566, 1620, 1740, 1915, 2298, 2349, 2430, 2610, 3132, 3447, 3830, 3915, 4596, 4698, 4860, 5220, 5745, 6894, 7047, 7660, 7830, 9396, 10341, 11107, 11490, 11745, 13788, 14094, 15660, 17235, 20682, 22214, 22980, 23490, 28188, 31023, 33321, 34470, 35235, 41364, 44428, 46980, 51705, 55535, 62046, 66642, 68940, 70470, 93069, 99963, 103410, 111070, 124092, 133284, 140940, 155115, 166605, 186138, 199926, 206820, 222140, 299889, 310230, 333210, 372276, 399852, 465345, 499815, 599778, 620460, 666420, 899667, 930690, 999630, 1199556, 1499445, 1799334, 1861380, 1999260, 2699001, 2998890, 3598668, 4498335, 5398002, 5997780, 8996670, 10796004, 13495005, 17993340, 26990010, 53980020]

約数ペア:

[(1, 53980020), (2, 26990010), (3, 17993340), (4, 13495005), (5, 10796004), (6, 8996670), (9, 5997780), (10, 5398002), (12, 4498335), (15, 3598668), (18, 2998890), (20, 2699001), (27, 1999260), (29, 1861380), (30, 1799334), (36, 1499445), (45, 1199556), (54, 999630), (58, 930690), (60, 899667), (81, 666420), (87, 620460), (90, 599778), (108, 499815), (116, 465345), (135, 399852), (145, 372276), (162, 333210), (174, 310230), (180, 299889), (243, 222140), (261, 206820), (270, 199926), (290, 186138), (324, 166605), (348, 155115), (383, 140940), (405, 133284), (435, 124092), (486, 111070), (522, 103410), (540, 99963), (580, 93069), (766, 70470), (783, 68940), (810, 66642), (870, 62046), (972, 55535), (1044, 51705), (1149, 46980), (1215, 44428), (1305, 41364), (1532, 35235), (1566, 34470), (1620, 33321), (1740, 31023), (1915, 28188), (2298, 23490), (2349, 22980), (2430, 22214), (2610, 20682), (3132, 17235), (3447, 15660), (3830, 14094), (3915, 13788), (4596, 11745), (4698, 11490), (4860, 11107), (5220, 10341), (5745, 9396), (6894, 7830), (7047, 7660)]