165865980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{56417}}^1$

素因数の和:56443

約数の個数: 72

約数和(自身を含む): 540258768

約数和(自身を除く): 374392788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 56417, 112834, 169251, 225668, 282085, 338502, 394919, 564170, 677004, 789838, 846255, 1128340, 1184757, 1579676, 1692510, 1974595, 2369514, 2764433, 3385020, 3949190, 4739028, 5528866, 5923785, 7898380, 8293299, 11057732, 11847570, 13822165, 16586598, 23695140, 27644330, 33173196, 41466495, 55288660, 82932990, 165865980]

約数ペア:

[(1, 165865980), (2, 82932990), (3, 55288660), (4, 41466495), (5, 33173196), (6, 27644330), (7, 23695140), (10, 16586598), (12, 13822165), (14, 11847570), (15, 11057732), (20, 8293299), (21, 7898380), (28, 5923785), (30, 5528866), (35, 4739028), (42, 3949190), (49, 3385020), (60, 2764433), (70, 2369514), (84, 1974595), (98, 1692510), (105, 1579676), (140, 1184757), (147, 1128340), (196, 846255), (210, 789838), (245, 677004), (294, 564170), (420, 394919), (490, 338502), (588, 282085), (735, 225668), (980, 169251), (1470, 112834), (2940, 56417)]