15291640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4201}}^1$

素因数の和:4232

約数の個数: 64

約数和(自身を含む): 42356160

約数和(自身を除く): 27064520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 4201, 8402, 16804, 21005, 29407, 33608, 42010, 54613, 58814, 84020, 109226, 117628, 147035, 168040, 218452, 235256, 273065, 294070, 382291, 436904, 546130, 588140, 764582, 1092260, 1176280, 1529164, 1911455, 2184520, 3058328, 3822910, 7645820, 15291640]

約数ペア:

[(1, 15291640), (2, 7645820), (4, 3822910), (5, 3058328), (7, 2184520), (8, 1911455), (10, 1529164), (13, 1176280), (14, 1092260), (20, 764582), (26, 588140), (28, 546130), (35, 436904), (40, 382291), (52, 294070), (56, 273065), (65, 235256), (70, 218452), (91, 168040), (104, 147035), (130, 117628), (140, 109226), (182, 84020), (260, 58814), (280, 54613), (364, 42010), (455, 33608), (520, 29407), (728, 21005), (910, 16804), (1820, 8402), (3640, 4201)]