90450080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 253380960

約数和(自身を除く): 162930880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 83, 98, 112, 139, 140, 160, 166, 196, 224, 245, 278, 280, 332, 392, 415, 490, 556, 560, 581, 664, 695, 784, 830, 973, 980, 1112, 1120, 1162, 1328, 1390, 1568, 1660, 1946, 1960, 2224, 2324, 2656, 2780, 2905, 3320, 3892, 3920, 4067, 4448, 4648, 4865, 5560, 5810, 6640, 6811, 7784, 7840, 8134, 9296, 9730, 11120, 11537, 11620, 13280, 13622, 15568, 16268, 18592, 19460, 20335, 22240, 23074, 23240, 27244, 31136, 32536, 34055, 38920, 40670, 46148, 46480, 54488, 57685, 65072, 68110, 77840, 80759, 81340, 92296, 92960, 108976, 115370, 130144, 136220, 155680, 161518, 162680, 184592, 217952, 230740, 272440, 323036, 325360, 369184, 403795, 461480, 544880, 565313, 646072, 650720, 807590, 922960, 1089760, 1130626, 1292144, 1615180, 1845920, 2261252, 2584288, 2826565, 3230360, 4522504, 5653130, 6460720, 9045008, 11306260, 12921440, 18090016, 22612520, 45225040, 90450080]

約数ペア:

[(1, 90450080), (2, 45225040), (4, 22612520), (5, 18090016), (7, 12921440), (8, 11306260), (10, 9045008), (14, 6460720), (16, 5653130), (20, 4522504), (28, 3230360), (32, 2826565), (35, 2584288), (40, 2261252), (49, 1845920), (56, 1615180), (70, 1292144), (80, 1130626), (83, 1089760), (98, 922960), (112, 807590), (139, 650720), (140, 646072), (160, 565313), (166, 544880), (196, 461480), (224, 403795), (245, 369184), (278, 325360), (280, 323036), (332, 272440), (392, 230740), (415, 217952), (490, 184592), (556, 162680), (560, 161518), (581, 155680), (664, 136220), (695, 130144), (784, 115370), (830, 108976), (973, 92960), (980, 92296), (1112, 81340), (1120, 80759), (1162, 77840), (1328, 68110), (1390, 65072), (1568, 57685), (1660, 54488), (1946, 46480), (1960, 46148), (2224, 40670), (2324, 38920), (2656, 34055), (2780, 32536), (2905, 31136), (3320, 27244), (3892, 23240), (3920, 23074), (4067, 22240), (4448, 20335), (4648, 19460), (4865, 18592), (5560, 16268), (5810, 15568), (6640, 13622), (6811, 13280), (7784, 11620), (7840, 11537), (8134, 11120), (9296, 9730)]