171066640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 417830400

約数和(自身を除く): 246763760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 239, 368, 389, 460, 478, 778, 920, 956, 1195, 1556, 1840, 1912, 1945, 2390, 3112, 3824, 3890, 4780, 5497, 6224, 7780, 8947, 9560, 10994, 15560, 17894, 19120, 21988, 27485, 31120, 35788, 43976, 44735, 54970, 71576, 87952, 89470, 92971, 109940, 143152, 178940, 185942, 219880, 357880, 371884, 439760, 464855, 715760, 743768, 929710, 1487536, 1859420, 2138333, 3718840, 4276666, 7437680, 8553332, 10691665, 17106664, 21383330, 34213328, 42766660, 85533320, 171066640]

約数ペア:

[(1, 171066640), (2, 85533320), (4, 42766660), (5, 34213328), (8, 21383330), (10, 17106664), (16, 10691665), (20, 8553332), (23, 7437680), (40, 4276666), (46, 3718840), (80, 2138333), (92, 1859420), (115, 1487536), (184, 929710), (230, 743768), (239, 715760), (368, 464855), (389, 439760), (460, 371884), (478, 357880), (778, 219880), (920, 185942), (956, 178940), (1195, 143152), (1556, 109940), (1840, 92971), (1912, 89470), (1945, 87952), (2390, 71576), (3112, 54970), (3824, 44735), (3890, 43976), (4780, 35788), (5497, 31120), (6224, 27485), (7780, 21988), (8947, 19120), (9560, 17894), (10994, 15560)]