31375080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 256

約数和(自身を含む): 120960000

約数和(自身を除く): 89584920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 44, 45, 54, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 108, 110, 114, 120, 132, 135, 139, 152, 165, 171, 180, 190, 198, 209, 216, 220, 228, 264, 270, 278, 285, 297, 330, 342, 360, 380, 396, 417, 418, 440, 456, 495, 513, 540, 556, 570, 594, 627, 660, 684, 695, 760, 792, 834, 836, 855, 990, 1026, 1045, 1080, 1112, 1140, 1188, 1251, 1254, 1320, 1368, 1390, 1485, 1529, 1668, 1672, 1710, 1881, 1980, 2052, 2085, 2090, 2280, 2376, 2502, 2508, 2565, 2641, 2780, 2970, 3058, 3135, 3336, 3420, 3753, 3762, 3960, 4104, 4170, 4180, 4587, 5004, 5016, 5130, 5282, 5560, 5643, 5940, 6116, 6255, 6270, 6840, 7506, 7524, 7645, 7923, 8340, 8360, 9174, 9405, 10008, 10260, 10564, 11286, 11880, 12232, 12510, 12540, 13205, 13761, 15012, 15048, 15290, 15846, 16680, 18348, 18765, 18810, 20520, 21128, 22572, 22935, 23769, 25020, 25080, 26410, 27522, 28215, 29051, 30024, 30580, 31692, 36696, 37530, 37620, 39615, 41283, 45144, 45870, 47538, 50040, 52820, 55044, 56430, 58102, 61160, 63384, 68805, 71307, 75060, 75240, 79230, 82566, 87153, 91740, 95076, 105640, 110088, 112860, 116204, 118845, 137610, 142614, 145255, 150120, 158460, 165132, 174306, 183480, 190152, 206415, 225720, 232408, 237690, 261459, 275220, 285228, 290510, 316920, 330264, 348612, 356535, 412830, 435765, 475380, 522918, 550440, 570456, 581020, 697224, 713070, 784377, 825660, 871530, 950760, 1045836, 1162040, 1307295, 1426140, 1568754, 1651320, 1743060, 2091672, 2614590, 2852280, 3137508, 3486120, 3921885, 5229180, 6275016, 7843770, 10458360, 15687540, 31375080]

約数ペア:

[(1, 31375080), (2, 15687540), (3, 10458360), (4, 7843770), (5, 6275016), (6, 5229180), (8, 3921885), (9, 3486120), (10, 3137508), (11, 2852280), (12, 2614590), (15, 2091672), (18, 1743060), (19, 1651320), (20, 1568754), (22, 1426140), (24, 1307295), (27, 1162040), (30, 1045836), (33, 950760), (36, 871530), (38, 825660), (40, 784377), (44, 713070), (45, 697224), (54, 581020), (55, 570456), (57, 550440), (60, 522918), (66, 475380), (72, 435765), (76, 412830), (88, 356535), (90, 348612), (95, 330264), (99, 316920), (108, 290510), (110, 285228), (114, 275220), (120, 261459), (132, 237690), (135, 232408), (139, 225720), (152, 206415), (165, 190152), (171, 183480), (180, 174306), (190, 165132), (198, 158460), (209, 150120), (216, 145255), (220, 142614), (228, 137610), (264, 118845), (270, 116204), (278, 112860), (285, 110088), (297, 105640), (330, 95076), (342, 91740), (360, 87153), (380, 82566), (396, 79230), (417, 75240), (418, 75060), (440, 71307), (456, 68805), (495, 63384), (513, 61160), (540, 58102), (556, 56430), (570, 55044), (594, 52820), (627, 50040), (660, 47538), (684, 45870), (695, 45144), (760, 41283), (792, 39615), (834, 37620), (836, 37530), (855, 36696), (990, 31692), (1026, 30580), (1045, 30024), (1080, 29051), (1112, 28215), (1140, 27522), (1188, 26410), (1251, 25080), (1254, 25020), (1320, 23769), (1368, 22935), (1390, 22572), (1485, 21128), (1529, 20520), (1668, 18810), (1672, 18765), (1710, 18348), (1881, 16680), (1980, 15846), (2052, 15290), (2085, 15048), (2090, 15012), (2280, 13761), (2376, 13205), (2502, 12540), (2508, 12510), (2565, 12232), (2641, 11880), (2780, 11286), (2970, 10564), (3058, 10260), (3135, 10008), (3336, 9405), (3420, 9174), (3753, 8360), (3762, 8340), (3960, 7923), (4104, 7645), (4170, 7524), (4180, 7506), (4587, 6840), (5004, 6270), (5016, 6255), (5130, 6116), (5282, 5940), (5560, 5643)]