221083320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{577}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 692490240

約数和(自身を除く): 471406920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 103, 120, 124, 155, 186, 206, 248, 309, 310, 372, 412, 465, 515, 577, 618, 620, 744, 824, 930, 1030, 1154, 1236, 1240, 1545, 1731, 1860, 2060, 2308, 2472, 2885, 3090, 3193, 3462, 3720, 4120, 4616, 5770, 6180, 6386, 6924, 8655, 9579, 11540, 12360, 12772, 13848, 15965, 17310, 17887, 19158, 23080, 25544, 31930, 34620, 35774, 38316, 47895, 53661, 59431, 63860, 69240, 71548, 76632, 89435, 95790, 107322, 118862, 127720, 143096, 178293, 178870, 191580, 214644, 237724, 268305, 297155, 356586, 357740, 383160, 429288, 475448, 536610, 594310, 713172, 715480, 891465, 1073220, 1188620, 1426344, 1782930, 1842361, 2146440, 2377240, 3565860, 3684722, 5527083, 7131720, 7369444, 9211805, 11054166, 14738888, 18423610, 22108332, 27635415, 36847220, 44216664, 55270830, 73694440, 110541660, 221083320]

約数ペア:

[(1, 221083320), (2, 110541660), (3, 73694440), (4, 55270830), (5, 44216664), (6, 36847220), (8, 27635415), (10, 22108332), (12, 18423610), (15, 14738888), (20, 11054166), (24, 9211805), (30, 7369444), (31, 7131720), (40, 5527083), (60, 3684722), (62, 3565860), (93, 2377240), (103, 2146440), (120, 1842361), (124, 1782930), (155, 1426344), (186, 1188620), (206, 1073220), (248, 891465), (309, 715480), (310, 713172), (372, 594310), (412, 536610), (465, 475448), (515, 429288), (577, 383160), (618, 357740), (620, 356586), (744, 297155), (824, 268305), (930, 237724), (1030, 214644), (1154, 191580), (1236, 178870), (1240, 178293), (1545, 143096), (1731, 127720), (1860, 118862), (2060, 107322), (2308, 95790), (2472, 89435), (2885, 76632), (3090, 71548), (3193, 69240), (3462, 63860), (3720, 59431), (4120, 53661), (4616, 47895), (5770, 38316), (6180, 35774), (6386, 34620), (6924, 31930), (8655, 25544), (9579, 23080), (11540, 19158), (12360, 17887), (12772, 17310), (13848, 15965)]