81659880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75611}}^1$

素因数の和:75631

約数の個数: 64

約数和(自身を含む): 272203200

約数和(自身を除く): 190543320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75611, 151222, 226833, 302444, 378055, 453666, 604888, 680499, 756110, 907332, 1134165, 1360998, 1512220, 1814664, 2041497, 2268330, 2721996, 3024440, 3402495, 4082994, 4536660, 5443992, 6804990, 8165988, 9073320, 10207485, 13609980, 16331976, 20414970, 27219960, 40829940, 81659880]

約数ペア:

[(1, 81659880), (2, 40829940), (3, 27219960), (4, 20414970), (5, 16331976), (6, 13609980), (8, 10207485), (9, 9073320), (10, 8165988), (12, 6804990), (15, 5443992), (18, 4536660), (20, 4082994), (24, 3402495), (27, 3024440), (30, 2721996), (36, 2268330), (40, 2041497), (45, 1814664), (54, 1512220), (60, 1360998), (72, 1134165), (90, 907332), (108, 756110), (120, 680499), (135, 604888), (180, 453666), (216, 378055), (270, 302444), (360, 226833), (540, 151222), (1080, 75611)]