221487660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7549}}^1$

素因数の和:7727

約数の個数: 72

約数和(自身を含む): 676057200

約数和(自身を除く): 454569540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2934, 3260, 4890, 5868, 7335, 7549, 9780, 14670, 15098, 22647, 29340, 30196, 37745, 45294, 67941, 75490, 90588, 113235, 135882, 150980, 226470, 271764, 339705, 452940, 679410, 1230487, 1358820, 2460974, 3691461, 4921948, 6152435, 7382922, 11074383, 12304870, 14765844, 18457305, 22148766, 24609740, 36914610, 44297532, 55371915, 73829220, 110743830, 221487660]

約数ペア:

[(1, 221487660), (2, 110743830), (3, 73829220), (4, 55371915), (5, 44297532), (6, 36914610), (9, 24609740), (10, 22148766), (12, 18457305), (15, 14765844), (18, 12304870), (20, 11074383), (30, 7382922), (36, 6152435), (45, 4921948), (60, 3691461), (90, 2460974), (163, 1358820), (180, 1230487), (326, 679410), (489, 452940), (652, 339705), (815, 271764), (978, 226470), (1467, 150980), (1630, 135882), (1956, 113235), (2445, 90588), (2934, 75490), (3260, 67941), (4890, 45294), (5868, 37745), (7335, 30196), (7549, 29340), (9780, 22647), (14670, 15098)]