7770420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{881}}^1$

素因数の和:910

約数の個数: 108

約数和(自身を含む): 27449604

約数和(自身を除く): 19679184

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 881, 882, 980, 1260, 1470, 1762, 1764, 2205, 2643, 2940, 3524, 4405, 4410, 5286, 6167, 7929, 8810, 8820, 10572, 12334, 13215, 15858, 17620, 18501, 24668, 26430, 30835, 31716, 37002, 39645, 43169, 52860, 55503, 61670, 74004, 79290, 86338, 92505, 111006, 123340, 129507, 158580, 172676, 185010, 215845, 222012, 259014, 277515, 370020, 388521, 431690, 518028, 555030, 647535, 777042, 863380, 1110060, 1295070, 1554084, 1942605, 2590140, 3885210, 7770420]

約数ペア:

[(1, 7770420), (2, 3885210), (3, 2590140), (4, 1942605), (5, 1554084), (6, 1295070), (7, 1110060), (9, 863380), (10, 777042), (12, 647535), (14, 555030), (15, 518028), (18, 431690), (20, 388521), (21, 370020), (28, 277515), (30, 259014), (35, 222012), (36, 215845), (42, 185010), (45, 172676), (49, 158580), (60, 129507), (63, 123340), (70, 111006), (84, 92505), (90, 86338), (98, 79290), (105, 74004), (126, 61670), (140, 55503), (147, 52860), (180, 43169), (196, 39645), (210, 37002), (245, 31716), (252, 30835), (294, 26430), (315, 24668), (420, 18501), (441, 17620), (490, 15858), (588, 13215), (630, 12334), (735, 10572), (881, 8820), (882, 8810), (980, 7929), (1260, 6167), (1470, 5286), (1762, 4410), (1764, 4405), (2205, 3524), (2643, 2940)]