40345620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13723}}^1$

素因数の和:13749

約数の個数: 72

約数和(自身を含む): 131421024

約数和(自身を除く): 91075404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 13723, 27446, 41169, 54892, 68615, 82338, 96061, 137230, 164676, 192122, 205845, 274460, 288183, 384244, 411690, 480305, 576366, 672427, 823380, 960610, 1152732, 1344854, 1440915, 1921220, 2017281, 2689708, 2881830, 3362135, 4034562, 5763660, 6724270, 8069124, 10086405, 13448540, 20172810, 40345620]

約数ペア:

[(1, 40345620), (2, 20172810), (3, 13448540), (4, 10086405), (5, 8069124), (6, 6724270), (7, 5763660), (10, 4034562), (12, 3362135), (14, 2881830), (15, 2689708), (20, 2017281), (21, 1921220), (28, 1440915), (30, 1344854), (35, 1152732), (42, 960610), (49, 823380), (60, 672427), (70, 576366), (84, 480305), (98, 411690), (105, 384244), (140, 288183), (147, 274460), (196, 205845), (210, 192122), (245, 164676), (294, 137230), (420, 96061), (490, 82338), (588, 68615), (735, 54892), (980, 41169), (1470, 27446), (2940, 13723)]