980840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 2626560

約数和(自身を除く): 1645720

約数列:

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

約数ペア:

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