30881920

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 74951640

約数和(自身を除く): 44069720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 584, 640, 661, 730, 1168, 1322, 1460, 2336, 2644, 2920, 3305, 4672, 5288, 5840, 6610, 9344, 10576, 11680, 13220, 21152, 23360, 26440, 42304, 46720, 48253, 52880, 84608, 96506, 105760, 193012, 211520, 241265, 386024, 423040, 482530, 772048, 965060, 1544096, 1930120, 3088192, 3860240, 6176384, 7720480, 15440960, 30881920]

約数ペア:

[(1, 30881920), (2, 15440960), (4, 7720480), (5, 6176384), (8, 3860240), (10, 3088192), (16, 1930120), (20, 1544096), (32, 965060), (40, 772048), (64, 482530), (73, 423040), (80, 386024), (128, 241265), (146, 211520), (160, 193012), (292, 105760), (320, 96506), (365, 84608), (584, 52880), (640, 48253), (661, 46720), (730, 42304), (1168, 26440), (1322, 23360), (1460, 21152), (2336, 13220), (2644, 11680), (2920, 10576), (3305, 9344), (4672, 6610), (5288, 5840)]