280464660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{74197}}^1$

素因数の和:74222

約数の個数: 96

約数和(自身を含む): 997221120

約数和(自身を除く): 716756460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 74197, 148394, 222591, 296788, 370985, 445182, 519379, 667773, 741970, 890364, 1038758, 1112955, 1335546, 1483940, 1558137, 2003319, 2077516, 2225910, 2596895, 2671092, 3116274, 3338865, 4006638, 4451820, 4674411, 5193790, 6232548, 6677730, 7790685, 8013276, 9348822, 10016595, 10387580, 13355460, 14023233, 15581370, 18697644, 20033190, 23372055, 28046466, 31162740, 40066380, 46744110, 56092932, 70116165, 93488220, 140232330, 280464660]

約数ペア:

[(1, 280464660), (2, 140232330), (3, 93488220), (4, 70116165), (5, 56092932), (6, 46744110), (7, 40066380), (9, 31162740), (10, 28046466), (12, 23372055), (14, 20033190), (15, 18697644), (18, 15581370), (20, 14023233), (21, 13355460), (27, 10387580), (28, 10016595), (30, 9348822), (35, 8013276), (36, 7790685), (42, 6677730), (45, 6232548), (54, 5193790), (60, 4674411), (63, 4451820), (70, 4006638), (84, 3338865), (90, 3116274), (105, 2671092), (108, 2596895), (126, 2225910), (135, 2077516), (140, 2003319), (180, 1558137), (189, 1483940), (210, 1335546), (252, 1112955), (270, 1038758), (315, 890364), (378, 741970), (420, 667773), (540, 519379), (630, 445182), (756, 370985), (945, 296788), (1260, 222591), (1890, 148394), (3780, 74197)]