215865720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{85661}}^1$

素因数の和:85685

約数の個数: 96

約数和(自身を含む): 801796320

約数和(自身を除く): 585930600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 85661, 171322, 256983, 342644, 428305, 513966, 599627, 685288, 770949, 856610, 1027932, 1199254, 1284915, 1541898, 1713220, 1798881, 2055864, 2398508, 2569830, 2998135, 3083796, 3426440, 3597762, 3854745, 4797016, 5139660, 5396643, 5996270, 6167592, 7195524, 7709490, 8994405, 10279320, 10793286, 11992540, 14391048, 15418980, 17988810, 21586572, 23985080, 26983215, 30837960, 35977620, 43173144, 53966430, 71955240, 107932860, 215865720]

約数ペア:

[(1, 215865720), (2, 107932860), (3, 71955240), (4, 53966430), (5, 43173144), (6, 35977620), (7, 30837960), (8, 26983215), (9, 23985080), (10, 21586572), (12, 17988810), (14, 15418980), (15, 14391048), (18, 11992540), (20, 10793286), (21, 10279320), (24, 8994405), (28, 7709490), (30, 7195524), (35, 6167592), (36, 5996270), (40, 5396643), (42, 5139660), (45, 4797016), (56, 3854745), (60, 3597762), (63, 3426440), (70, 3083796), (72, 2998135), (84, 2569830), (90, 2398508), (105, 2055864), (120, 1798881), (126, 1713220), (140, 1541898), (168, 1284915), (180, 1199254), (210, 1027932), (252, 856610), (280, 770949), (315, 685288), (360, 599627), (420, 513966), (504, 428305), (630, 342644), (840, 256983), (1260, 171322), (2520, 85661)]