8712540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 26754000

約数和(自身を除く): 18041460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 499, 582, 873, 970, 998, 1164, 1455, 1497, 1746, 1940, 1996, 2495, 2910, 2994, 3492, 4365, 4491, 4990, 5820, 5988, 7485, 8730, 8982, 9980, 14970, 17460, 17964, 22455, 29940, 44910, 48403, 89820, 96806, 145209, 193612, 242015, 290418, 435627, 484030, 580836, 726045, 871254, 968060, 1452090, 1742508, 2178135, 2904180, 4356270, 8712540]

約数ペア:

[(1, 8712540), (2, 4356270), (3, 2904180), (4, 2178135), (5, 1742508), (6, 1452090), (9, 968060), (10, 871254), (12, 726045), (15, 580836), (18, 484030), (20, 435627), (30, 290418), (36, 242015), (45, 193612), (60, 145209), (90, 96806), (97, 89820), (180, 48403), (194, 44910), (291, 29940), (388, 22455), (485, 17964), (499, 17460), (582, 14970), (873, 9980), (970, 8982), (998, 8730), (1164, 7485), (1455, 5988), (1497, 5820), (1746, 4990), (1940, 4491), (1996, 4365), (2495, 3492), (2910, 2994)]