643440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 2285568

約数和(自身を除く): 1642128

約数列:

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

約数ペア:

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