1286880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^1$

素因数の和:408

約数の個数: 96

約数和(自身を含む): 4644864

約数和(自身を除く): 3357984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 383, 420, 480, 560, 672, 766, 840, 1120, 1149, 1532, 1680, 1915, 2298, 2681, 3064, 3360, 3830, 4596, 5362, 5745, 6128, 7660, 8043, 9192, 10724, 11490, 12256, 13405, 15320, 16086, 18384, 21448, 22980, 26810, 30640, 32172, 36768, 40215, 42896, 45960, 53620, 61280, 64344, 80430, 85792, 91920, 107240, 128688, 160860, 183840, 214480, 257376, 321720, 428960, 643440, 1286880]

約数ペア:

[(1, 1286880), (2, 643440), (3, 428960), (4, 321720), (5, 257376), (6, 214480), (7, 183840), (8, 160860), (10, 128688), (12, 107240), (14, 91920), (15, 85792), (16, 80430), (20, 64344), (21, 61280), (24, 53620), (28, 45960), (30, 42896), (32, 40215), (35, 36768), (40, 32172), (42, 30640), (48, 26810), (56, 22980), (60, 21448), (70, 18384), (80, 16086), (84, 15320), (96, 13405), (105, 12256), (112, 11490), (120, 10724), (140, 9192), (160, 8043), (168, 7660), (210, 6128), (224, 5745), (240, 5362), (280, 4596), (336, 3830), (383, 3360), (420, 3064), (480, 2681), (560, 2298), (672, 1915), (766, 1680), (840, 1532), (1120, 1149)]