15208520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 36426240

約数和(自身を除く): 21217720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 271, 305, 460, 488, 542, 610, 920, 1084, 1220, 1355, 1403, 2168, 2440, 2710, 2806, 5420, 5612, 6233, 7015, 10840, 11224, 12466, 14030, 16531, 24932, 28060, 31165, 33062, 49864, 56120, 62330, 66124, 82655, 124660, 132248, 165310, 249320, 330620, 380213, 661240, 760426, 1520852, 1901065, 3041704, 3802130, 7604260, 15208520]

約数ペア:

[(1, 15208520), (2, 7604260), (4, 3802130), (5, 3041704), (8, 1901065), (10, 1520852), (20, 760426), (23, 661240), (40, 380213), (46, 330620), (61, 249320), (92, 165310), (115, 132248), (122, 124660), (184, 82655), (230, 66124), (244, 62330), (271, 56120), (305, 49864), (460, 33062), (488, 31165), (542, 28060), (610, 24932), (920, 16531), (1084, 14030), (1220, 12466), (1355, 11224), (1403, 10840), (2168, 7015), (2440, 6233), (2710, 5612), (2806, 5420)]