40428180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:487

約数の個数: 144

約数和(自身を含む): 136503360

約数和(自身を除く): 96075180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 169, 180, 195, 234, 260, 270, 338, 351, 390, 443, 468, 507, 540, 585, 676, 702, 780, 845, 886, 1014, 1170, 1329, 1404, 1521, 1690, 1755, 1772, 2028, 2215, 2340, 2535, 2658, 3042, 3380, 3510, 3987, 4430, 4563, 5070, 5316, 5759, 6084, 6645, 7020, 7605, 7974, 8860, 9126, 10140, 11518, 11961, 13290, 15210, 15948, 17277, 18252, 19935, 22815, 23036, 23922, 26580, 28795, 30420, 34554, 39870, 45630, 47844, 51831, 57590, 59805, 69108, 74867, 79740, 86385, 91260, 103662, 115180, 119610, 149734, 155493, 172770, 207324, 224601, 239220, 259155, 299468, 310986, 345540, 374335, 449202, 518310, 621972, 673803, 748670, 777465, 898404, 1036620, 1123005, 1347606, 1497340, 1554930, 2021409, 2246010, 2695212, 3109860, 3369015, 4042818, 4492020, 6738030, 8085636, 10107045, 13476060, 20214090, 40428180]

約数ペア:

[(1, 40428180), (2, 20214090), (3, 13476060), (4, 10107045), (5, 8085636), (6, 6738030), (9, 4492020), (10, 4042818), (12, 3369015), (13, 3109860), (15, 2695212), (18, 2246010), (20, 2021409), (26, 1554930), (27, 1497340), (30, 1347606), (36, 1123005), (39, 1036620), (45, 898404), (52, 777465), (54, 748670), (60, 673803), (65, 621972), (78, 518310), (90, 449202), (108, 374335), (117, 345540), (130, 310986), (135, 299468), (156, 259155), (169, 239220), (180, 224601), (195, 207324), (234, 172770), (260, 155493), (270, 149734), (338, 119610), (351, 115180), (390, 103662), (443, 91260), (468, 86385), (507, 79740), (540, 74867), (585, 69108), (676, 59805), (702, 57590), (780, 51831), (845, 47844), (886, 45630), (1014, 39870), (1170, 34554), (1329, 30420), (1404, 28795), (1521, 26580), (1690, 23922), (1755, 23036), (1772, 22815), (2028, 19935), (2215, 18252), (2340, 17277), (2535, 15948), (2658, 15210), (3042, 13290), (3380, 11961), (3510, 11518), (3987, 10140), (4430, 9126), (4563, 8860), (5070, 7974), (5316, 7605), (5759, 7020), (6084, 6645)]