23429840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 65308320

約数和(自身を除く): 41878480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 139, 140, 172, 196, 215, 245, 278, 280, 301, 344, 392, 430, 490, 556, 560, 602, 688, 695, 784, 860, 973, 980, 1112, 1204, 1390, 1505, 1720, 1946, 1960, 2107, 2224, 2408, 2780, 3010, 3440, 3892, 3920, 4214, 4816, 4865, 5560, 5977, 6020, 6811, 7784, 8428, 9730, 10535, 11120, 11954, 12040, 13622, 15568, 16856, 19460, 21070, 23908, 24080, 27244, 29885, 33712, 34055, 38920, 41839, 42140, 47816, 54488, 59770, 68110, 77840, 83678, 84280, 95632, 108976, 119540, 136220, 167356, 168560, 209195, 239080, 272440, 292873, 334712, 418390, 478160, 544880, 585746, 669424, 836780, 1171492, 1464365, 1673560, 2342984, 2928730, 3347120, 4685968, 5857460, 11714920, 23429840]

約数ペア:

[(1, 23429840), (2, 11714920), (4, 5857460), (5, 4685968), (7, 3347120), (8, 2928730), (10, 2342984), (14, 1673560), (16, 1464365), (20, 1171492), (28, 836780), (35, 669424), (40, 585746), (43, 544880), (49, 478160), (56, 418390), (70, 334712), (80, 292873), (86, 272440), (98, 239080), (112, 209195), (139, 168560), (140, 167356), (172, 136220), (196, 119540), (215, 108976), (245, 95632), (278, 84280), (280, 83678), (301, 77840), (344, 68110), (392, 59770), (430, 54488), (490, 47816), (556, 42140), (560, 41839), (602, 38920), (688, 34055), (695, 33712), (784, 29885), (860, 27244), (973, 24080), (980, 23908), (1112, 21070), (1204, 19460), (1390, 16856), (1505, 15568), (1720, 13622), (1946, 12040), (1960, 11954), (2107, 11120), (2224, 10535), (2408, 9730), (2780, 8428), (3010, 7784), (3440, 6811), (3892, 6020), (3920, 5977), (4214, 5560), (4816, 4865)]