1961680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 5428224

約数和(自身を除く): 3466544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 113, 124, 140, 155, 217, 226, 248, 280, 310, 434, 452, 496, 560, 565, 620, 791, 868, 904, 1085, 1130, 1240, 1582, 1736, 1808, 2170, 2260, 2480, 3164, 3472, 3503, 3955, 4340, 4520, 6328, 7006, 7910, 8680, 9040, 12656, 14012, 15820, 17360, 17515, 24521, 28024, 31640, 35030, 49042, 56048, 63280, 70060, 98084, 122605, 140120, 196168, 245210, 280240, 392336, 490420, 980840, 1961680]

約数ペア:

[(1, 1961680), (2, 980840), (4, 490420), (5, 392336), (7, 280240), (8, 245210), (10, 196168), (14, 140120), (16, 122605), (20, 98084), (28, 70060), (31, 63280), (35, 56048), (40, 49042), (56, 35030), (62, 31640), (70, 28024), (80, 24521), (112, 17515), (113, 17360), (124, 15820), (140, 14012), (155, 12656), (217, 9040), (226, 8680), (248, 7910), (280, 7006), (310, 6328), (434, 4520), (452, 4340), (496, 3955), (560, 3503), (565, 3472), (620, 3164), (791, 2480), (868, 2260), (904, 2170), (1085, 1808), (1130, 1736), (1240, 1582)]