28819080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 99854820

約数和(自身を除く): 71035740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 277, 289, 306, 340, 360, 408, 510, 554, 578, 612, 680, 765, 831, 867, 1020, 1108, 1156, 1224, 1385, 1445, 1530, 1662, 1734, 2040, 2216, 2312, 2493, 2601, 2770, 2890, 3060, 3324, 3468, 4155, 4335, 4709, 4986, 5202, 5540, 5780, 6120, 6648, 6936, 8310, 8670, 9418, 9972, 10404, 11080, 11560, 12465, 13005, 14127, 16620, 17340, 18836, 19944, 20808, 23545, 24930, 26010, 28254, 33240, 34680, 37672, 42381, 47090, 49860, 52020, 56508, 70635, 80053, 84762, 94180, 99720, 104040, 113016, 141270, 160106, 169524, 188360, 211905, 240159, 282540, 320212, 339048, 400265, 423810, 480318, 565080, 640424, 720477, 800530, 847620, 960636, 1200795, 1440954, 1601060, 1695240, 1921272, 2401590, 2881908, 3202120, 3602385, 4803180, 5763816, 7204770, 9606360, 14409540, 28819080]

約数ペア:

[(1, 28819080), (2, 14409540), (3, 9606360), (4, 7204770), (5, 5763816), (6, 4803180), (8, 3602385), (9, 3202120), (10, 2881908), (12, 2401590), (15, 1921272), (17, 1695240), (18, 1601060), (20, 1440954), (24, 1200795), (30, 960636), (34, 847620), (36, 800530), (40, 720477), (45, 640424), (51, 565080), (60, 480318), (68, 423810), (72, 400265), (85, 339048), (90, 320212), (102, 282540), (120, 240159), (136, 211905), (153, 188360), (170, 169524), (180, 160106), (204, 141270), (255, 113016), (277, 104040), (289, 99720), (306, 94180), (340, 84762), (360, 80053), (408, 70635), (510, 56508), (554, 52020), (578, 49860), (612, 47090), (680, 42381), (765, 37672), (831, 34680), (867, 33240), (1020, 28254), (1108, 26010), (1156, 24930), (1224, 23545), (1385, 20808), (1445, 19944), (1530, 18836), (1662, 17340), (1734, 16620), (2040, 14127), (2216, 13005), (2312, 12465), (2493, 11560), (2601, 11080), (2770, 10404), (2890, 9972), (3060, 9418), (3324, 8670), (3468, 8310), (4155, 6936), (4335, 6648), (4709, 6120), (4986, 5780), (5202, 5540)]