1326720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{691}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 4235040

約数和(自身を除く): 2908320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 691, 960, 1382, 1920, 2073, 2764, 3455, 4146, 5528, 6910, 8292, 10365, 11056, 13820, 16584, 20730, 22112, 27640, 33168, 41460, 44224, 55280, 66336, 82920, 88448, 110560, 132672, 165840, 221120, 265344, 331680, 442240, 663360, 1326720]

約数ペア:

[(1, 1326720), (2, 663360), (3, 442240), (4, 331680), (5, 265344), (6, 221120), (8, 165840), (10, 132672), (12, 110560), (15, 88448), (16, 82920), (20, 66336), (24, 55280), (30, 44224), (32, 41460), (40, 33168), (48, 27640), (60, 22112), (64, 20730), (80, 16584), (96, 13820), (120, 11056), (128, 10365), (160, 8292), (192, 6910), (240, 5528), (320, 4146), (384, 3455), (480, 2764), (640, 2073), (691, 1920), (960, 1382)]