400420560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16519}}^1$

素因数の和:16636

約数の個数: 80

約数和(自身を含む): 1253669760

約数和(自身を除く): 853249200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1616, 2020, 2424, 3030, 4040, 4848, 6060, 8080, 12120, 16519, 24240, 33038, 49557, 66076, 82595, 99114, 132152, 165190, 198228, 247785, 264304, 330380, 396456, 495570, 660760, 792912, 991140, 1321520, 1668419, 1982280, 3336838, 3964560, 5005257, 6673676, 8342095, 10010514, 13347352, 16684190, 20021028, 25026285, 26694704, 33368380, 40042056, 50052570, 66736760, 80084112, 100105140, 133473520, 200210280, 400420560]

約数ペア:

[(1, 400420560), (2, 200210280), (3, 133473520), (4, 100105140), (5, 80084112), (6, 66736760), (8, 50052570), (10, 40042056), (12, 33368380), (15, 26694704), (16, 25026285), (20, 20021028), (24, 16684190), (30, 13347352), (40, 10010514), (48, 8342095), (60, 6673676), (80, 5005257), (101, 3964560), (120, 3336838), (202, 1982280), (240, 1668419), (303, 1321520), (404, 991140), (505, 792912), (606, 660760), (808, 495570), (1010, 396456), (1212, 330380), (1515, 264304), (1616, 247785), (2020, 198228), (2424, 165190), (3030, 132152), (4040, 99114), (4848, 82595), (6060, 66076), (8080, 49557), (12120, 33038), (16519, 24240)]