21888786360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{54401}}^1$

素因数の和:54901

約数の個数: 128

約数和(自身を含む): 75205324800

約数和(自身を除く): 53316538440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 479, 840, 958, 1437, 1916, 2395, 2874, 3353, 3832, 4790, 5748, 6706, 7185, 9580, 10059, 11496, 13412, 14370, 16765, 19160, 20118, 26824, 28740, 33530, 40236, 50295, 54401, 57480, 67060, 80472, 100590, 108802, 134120, 163203, 201180, 217604, 272005, 326406, 380807, 402360, 435208, 544010, 652812, 761614, 816015, 1088020, 1142421, 1305624, 1523228, 1632030, 1904035, 2176040, 2284842, 3046456, 3264060, 3808070, 4569684, 5712105, 6528120, 7616140, 9139368, 11424210, 15232280, 22848420, 26058079, 45696840, 52116158, 78174237, 104232316, 130290395, 156348474, 182406553, 208464632, 260580790, 312696948, 364813106, 390871185, 521161580, 547219659, 625393896, 729626212, 781742370, 912032765, 1042323160, 1094439318, 1459252424, 1563484740, 1824065530, 2188878636, 2736098295, 3126969480, 3648131060, 4377757272, 5472196590, 7296262120, 10944393180, 21888786360]

約数ペア:

[(1, 21888786360), (2, 10944393180), (3, 7296262120), (4, 5472196590), (5, 4377757272), (6, 3648131060), (7, 3126969480), (8, 2736098295), (10, 2188878636), (12, 1824065530), (14, 1563484740), (15, 1459252424), (20, 1094439318), (21, 1042323160), (24, 912032765), (28, 781742370), (30, 729626212), (35, 625393896), (40, 547219659), (42, 521161580), (56, 390871185), (60, 364813106), (70, 312696948), (84, 260580790), (105, 208464632), (120, 182406553), (140, 156348474), (168, 130290395), (210, 104232316), (280, 78174237), (420, 52116158), (479, 45696840), (840, 26058079), (958, 22848420), (1437, 15232280), (1916, 11424210), (2395, 9139368), (2874, 7616140), (3353, 6528120), (3832, 5712105), (4790, 4569684), (5748, 3808070), (6706, 3264060), (7185, 3046456), (9580, 2284842), (10059, 2176040), (11496, 1904035), (13412, 1632030), (14370, 1523228), (16765, 1305624), (19160, 1142421), (20118, 1088020), (26824, 816015), (28740, 761614), (33530, 652812), (40236, 544010), (50295, 435208), (54401, 402360), (57480, 380807), (67060, 326406), (80472, 272005), (100590, 217604), (108802, 201180), (134120, 163203)]