1784962640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{8087}}^1$

素因数の和:8220

約数の個数: 80

約数和(自身を含む): 4332579840

約数和(自身を除く): 2547617200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 124, 155, 178, 248, 310, 356, 445, 496, 620, 712, 890, 1240, 1424, 1780, 2480, 2759, 3560, 5518, 7120, 8087, 11036, 13795, 16174, 22072, 27590, 32348, 40435, 44144, 55180, 64696, 80870, 110360, 129392, 161740, 220720, 250697, 323480, 501394, 646960, 719743, 1002788, 1253485, 1439486, 2005576, 2506970, 2878972, 3598715, 4011152, 5013940, 5757944, 7197430, 10027880, 11515888, 14394860, 20055760, 22312033, 28789720, 44624066, 57579440, 89248132, 111560165, 178496264, 223120330, 356992528, 446240660, 892481320, 1784962640]

約数ペア:

[(1, 1784962640), (2, 892481320), (4, 446240660), (5, 356992528), (8, 223120330), (10, 178496264), (16, 111560165), (20, 89248132), (31, 57579440), (40, 44624066), (62, 28789720), (80, 22312033), (89, 20055760), (124, 14394860), (155, 11515888), (178, 10027880), (248, 7197430), (310, 5757944), (356, 5013940), (445, 4011152), (496, 3598715), (620, 2878972), (712, 2506970), (890, 2005576), (1240, 1439486), (1424, 1253485), (1780, 1002788), (2480, 719743), (2759, 646960), (3560, 501394), (5518, 323480), (7120, 250697), (8087, 220720), (11036, 161740), (13795, 129392), (16174, 110360), (22072, 80870), (27590, 64696), (32348, 55180), (40435, 44144)]