15788340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 48222720

約数和(自身を除く): 32434380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 367, 478, 717, 734, 956, 1101, 1195, 1434, 1468, 1835, 2151, 2202, 2390, 2868, 3303, 3585, 3670, 4302, 4404, 4780, 5505, 6606, 7170, 7340, 8604, 10755, 11010, 13212, 14340, 16515, 21510, 22020, 33030, 43020, 66060, 87713, 175426, 263139, 350852, 438565, 526278, 789417, 877130, 1052556, 1315695, 1578834, 1754260, 2631390, 3157668, 3947085, 5262780, 7894170, 15788340]

約数ペア:

[(1, 15788340), (2, 7894170), (3, 5262780), (4, 3947085), (5, 3157668), (6, 2631390), (9, 1754260), (10, 1578834), (12, 1315695), (15, 1052556), (18, 877130), (20, 789417), (30, 526278), (36, 438565), (45, 350852), (60, 263139), (90, 175426), (180, 87713), (239, 66060), (367, 43020), (478, 33030), (717, 22020), (734, 21510), (956, 16515), (1101, 14340), (1195, 13212), (1434, 11010), (1468, 10755), (1835, 8604), (2151, 7340), (2202, 7170), (2390, 6606), (2868, 5505), (3303, 4780), (3585, 4404), (3670, 4302)]