71827980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9001}}^1$

素因数の和:9039

約数の個数: 96

約数和(自身を含む): 241973760

約数和(自身を除く): 170145780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 9001, 18002, 27003, 36004, 45005, 54006, 63007, 90010, 108012, 126014, 135015, 171019, 180020, 189021, 252028, 270030, 315035, 342038, 378042, 513057, 540060, 630070, 684076, 756084, 855095, 945105, 1026114, 1197133, 1260140, 1710190, 1890210, 2052228, 2394266, 2565285, 3420380, 3591399, 3780420, 4788532, 5130570, 5985665, 7182798, 10261140, 11971330, 14365596, 17956995, 23942660, 35913990, 71827980]

約数ペア:

[(1, 71827980), (2, 35913990), (3, 23942660), (4, 17956995), (5, 14365596), (6, 11971330), (7, 10261140), (10, 7182798), (12, 5985665), (14, 5130570), (15, 4788532), (19, 3780420), (20, 3591399), (21, 3420380), (28, 2565285), (30, 2394266), (35, 2052228), (38, 1890210), (42, 1710190), (57, 1260140), (60, 1197133), (70, 1026114), (76, 945105), (84, 855095), (95, 756084), (105, 684076), (114, 630070), (133, 540060), (140, 513057), (190, 378042), (210, 342038), (228, 315035), (266, 270030), (285, 252028), (380, 189021), (399, 180020), (420, 171019), (532, 135015), (570, 126014), (665, 108012), (798, 90010), (1140, 63007), (1330, 54006), (1596, 45005), (1995, 36004), (2660, 27003), (3990, 18002), (7980, 9001)]