285642420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1061}}^1$

素因数の和:1721

約数の個数: 96

約数和(自身を含む): 916344576

約数和(自身を除く): 630702156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 641, 1061, 1282, 1923, 2122, 2564, 3183, 3205, 3846, 4244, 4487, 5305, 6366, 6410, 7427, 7692, 8974, 9615, 10610, 12732, 12820, 13461, 14854, 15915, 17948, 19230, 21220, 22281, 22435, 26922, 29708, 31830, 37135, 38460, 44562, 44870, 53844, 63660, 67305, 74270, 89124, 89740, 111405, 134610, 148540, 222810, 269220, 445620, 680101, 1360202, 2040303, 2720404, 3400505, 4080606, 4760707, 6801010, 8161212, 9521414, 10201515, 13602020, 14282121, 19042828, 20403030, 23803535, 28564242, 40806060, 47607070, 57128484, 71410605, 95214140, 142821210, 285642420]

約数ペア:

[(1, 285642420), (2, 142821210), (3, 95214140), (4, 71410605), (5, 57128484), (6, 47607070), (7, 40806060), (10, 28564242), (12, 23803535), (14, 20403030), (15, 19042828), (20, 14282121), (21, 13602020), (28, 10201515), (30, 9521414), (35, 8161212), (42, 6801010), (60, 4760707), (70, 4080606), (84, 3400505), (105, 2720404), (140, 2040303), (210, 1360202), (420, 680101), (641, 445620), (1061, 269220), (1282, 222810), (1923, 148540), (2122, 134610), (2564, 111405), (3183, 89740), (3205, 89124), (3846, 74270), (4244, 67305), (4487, 63660), (5305, 53844), (6366, 44870), (6410, 44562), (7427, 38460), (7692, 37135), (8974, 31830), (9615, 29708), (10610, 26922), (12732, 22435), (12820, 22281), (13461, 21220), (14854, 19230), (15915, 17948)]