66501840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{691}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 206968896

約数和(自身を除く): 140467056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 401, 691, 802, 1203, 1382, 1604, 2005, 2073, 2406, 2764, 3208, 3455, 4010, 4146, 4812, 5528, 6015, 6416, 6910, 8020, 8292, 9624, 10365, 11056, 12030, 13820, 16040, 16584, 19248, 20730, 24060, 27640, 32080, 33168, 41460, 48120, 55280, 82920, 96240, 165840, 277091, 554182, 831273, 1108364, 1385455, 1662546, 2216728, 2770910, 3325092, 4156365, 4433456, 5541820, 6650184, 8312730, 11083640, 13300368, 16625460, 22167280, 33250920, 66501840]

約数ペア:

[(1, 66501840), (2, 33250920), (3, 22167280), (4, 16625460), (5, 13300368), (6, 11083640), (8, 8312730), (10, 6650184), (12, 5541820), (15, 4433456), (16, 4156365), (20, 3325092), (24, 2770910), (30, 2216728), (40, 1662546), (48, 1385455), (60, 1108364), (80, 831273), (120, 554182), (240, 277091), (401, 165840), (691, 96240), (802, 82920), (1203, 55280), (1382, 48120), (1604, 41460), (2005, 33168), (2073, 32080), (2406, 27640), (2764, 24060), (3208, 20730), (3455, 19248), (4010, 16584), (4146, 16040), (4812, 13820), (5528, 12030), (6015, 11056), (6416, 10365), (6910, 9624), (8020, 8292)]