31686480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{6287}}^1$

素因数の和:6313

約数の個数: 120

約数和(自身を含む): 121635072

約数和(自身を除く): 89948592

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 6287, 12574, 18861, 25148, 31435, 37722, 44009, 50296, 56583, 62870, 75444, 88018, 94305, 100592, 113166, 125740, 132027, 150888, 176036, 188610, 220045, 226332, 251480, 264054, 282915, 301776, 352072, 377220, 396081, 440090, 452664, 502960, 528108, 565830, 660135, 704144, 754440, 792162, 880180, 905328, 1056216, 1131660, 1320270, 1508880, 1584324, 1760360, 1980405, 2112432, 2263320, 2640540, 3168648, 3520720, 3960810, 4526640, 5281080, 6337296, 7921620, 10562160, 15843240, 31686480]

約数ペア:

[(1, 31686480), (2, 15843240), (3, 10562160), (4, 7921620), (5, 6337296), (6, 5281080), (7, 4526640), (8, 3960810), (9, 3520720), (10, 3168648), (12, 2640540), (14, 2263320), (15, 2112432), (16, 1980405), (18, 1760360), (20, 1584324), (21, 1508880), (24, 1320270), (28, 1131660), (30, 1056216), (35, 905328), (36, 880180), (40, 792162), (42, 754440), (45, 704144), (48, 660135), (56, 565830), (60, 528108), (63, 502960), (70, 452664), (72, 440090), (80, 396081), (84, 377220), (90, 352072), (105, 301776), (112, 282915), (120, 264054), (126, 251480), (140, 226332), (144, 220045), (168, 188610), (180, 176036), (210, 150888), (240, 132027), (252, 125740), (280, 113166), (315, 100592), (336, 94305), (360, 88018), (420, 75444), (504, 62870), (560, 56583), (630, 50296), (720, 44009), (840, 37722), (1008, 31435), (1260, 25148), (1680, 18861), (2520, 12574), (5040, 6287)]