2745540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{2179}}^1$

素因数の和:2201

約数の個数: 72

約数和(自身を含む): 9522240

約数和(自身を除く): 6776700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 2179, 4358, 6537, 8716, 10895, 13074, 15253, 19611, 21790, 26148, 30506, 32685, 39222, 43580, 45759, 61012, 65370, 76265, 78444, 91518, 98055, 130740, 137277, 152530, 183036, 196110, 228795, 274554, 305060, 392220, 457590, 549108, 686385, 915180, 1372770, 2745540]

約数ペア:

[(1, 2745540), (2, 1372770), (3, 915180), (4, 686385), (5, 549108), (6, 457590), (7, 392220), (9, 305060), (10, 274554), (12, 228795), (14, 196110), (15, 183036), (18, 152530), (20, 137277), (21, 130740), (28, 98055), (30, 91518), (35, 78444), (36, 76265), (42, 65370), (45, 61012), (60, 45759), (63, 43580), (70, 39222), (84, 32685), (90, 30506), (105, 26148), (126, 21790), (140, 19611), (180, 15253), (210, 13074), (252, 10895), (315, 8716), (420, 6537), (630, 4358), (1260, 2179)]