40490760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{881}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 81436920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 383, 766, 881, 1149, 1532, 1762, 1915, 2298, 2643, 3064, 3524, 3830, 4405, 4596, 5286, 5745, 7048, 7660, 8810, 9192, 10572, 11490, 13215, 15320, 17620, 21144, 22980, 26430, 35240, 45960, 52860, 105720, 337423, 674846, 1012269, 1349692, 1687115, 2024538, 2699384, 3374230, 4049076, 5061345, 6748460, 8098152, 10122690, 13496920, 20245380, 40490760]

約数ペア:

[(1, 40490760), (2, 20245380), (3, 13496920), (4, 10122690), (5, 8098152), (6, 6748460), (8, 5061345), (10, 4049076), (12, 3374230), (15, 2699384), (20, 2024538), (24, 1687115), (30, 1349692), (40, 1012269), (60, 674846), (120, 337423), (383, 105720), (766, 52860), (881, 45960), (1149, 35240), (1532, 26430), (1762, 22980), (1915, 21144), (2298, 17620), (2643, 15320), (3064, 13215), (3524, 11490), (3830, 10572), (4405, 9192), (4596, 8810), (5286, 7660), (5745, 7048)]