8581860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{139}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 30576000

約数和(自身を除く): 21994140

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, 139, 140, 147, 180, 196, 210, 245, 252, 278, 294, 315, 343, 417, 420, 441, 490, 556, 588, 630, 686, 695, 735, 834, 882, 973, 980, 1029, 1251, 1260, 1372, 1390, 1470, 1668, 1715, 1764, 1946, 2058, 2085, 2205, 2502, 2780, 2919, 2940, 3087, 3430, 3892, 4116, 4170, 4410, 4865, 5004, 5145, 5838, 6174, 6255, 6811, 6860, 8340, 8757, 8820, 9730, 10290, 11676, 12348, 12510, 13622, 14595, 15435, 17514, 19460, 20433, 20580, 25020, 27244, 29190, 30870, 34055, 35028, 40866, 43785, 47677, 58380, 61299, 61740, 68110, 81732, 87570, 95354, 102165, 122598, 136220, 143031, 175140, 190708, 204330, 238385, 245196, 286062, 306495, 408660, 429093, 476770, 572124, 612990, 715155, 858186, 953540, 1225980, 1430310, 1716372, 2145465, 2860620, 4290930, 8581860]

約数ペア:

[(1, 8581860), (2, 4290930), (3, 2860620), (4, 2145465), (5, 1716372), (6, 1430310), (7, 1225980), (9, 953540), (10, 858186), (12, 715155), (14, 612990), (15, 572124), (18, 476770), (20, 429093), (21, 408660), (28, 306495), (30, 286062), (35, 245196), (36, 238385), (42, 204330), (45, 190708), (49, 175140), (60, 143031), (63, 136220), (70, 122598), (84, 102165), (90, 95354), (98, 87570), (105, 81732), (126, 68110), (139, 61740), (140, 61299), (147, 58380), (180, 47677), (196, 43785), (210, 40866), (245, 35028), (252, 34055), (278, 30870), (294, 29190), (315, 27244), (343, 25020), (417, 20580), (420, 20433), (441, 19460), (490, 17514), (556, 15435), (588, 14595), (630, 13622), (686, 12510), (695, 12348), (735, 11676), (834, 10290), (882, 9730), (973, 8820), (980, 8757), (1029, 8340), (1251, 6860), (1260, 6811), (1372, 6255), (1390, 6174), (1470, 5838), (1668, 5145), (1715, 5004), (1764, 4865), (1946, 4410), (2058, 4170), (2085, 4116), (2205, 3892), (2502, 3430), (2780, 3087), (2919, 2940)]