1660984960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83719}}^1$

素因数の和:83769

約数の個数: 64

約数和(自身を含む): 4098931200

約数和(自身を除く): 2437946240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 83719, 167438, 334876, 418595, 669752, 837190, 1339504, 1674380, 2595289, 2679008, 3348760, 5190578, 5358016, 6697520, 10381156, 10716032, 12976445, 13395040, 20762312, 25952890, 26790080, 41524624, 51905780, 53580160, 83049248, 103811560, 166098496, 207623120, 332196992, 415246240, 830492480, 1660984960]

約数ペア:

[(1, 1660984960), (2, 830492480), (4, 415246240), (5, 332196992), (8, 207623120), (10, 166098496), (16, 103811560), (20, 83049248), (31, 53580160), (32, 51905780), (40, 41524624), (62, 26790080), (64, 25952890), (80, 20762312), (124, 13395040), (128, 12976445), (155, 10716032), (160, 10381156), (248, 6697520), (310, 5358016), (320, 5190578), (496, 3348760), (620, 2679008), (640, 2595289), (992, 1674380), (1240, 1339504), (1984, 837190), (2480, 669752), (3968, 418595), (4960, 334876), (9920, 167438), (19840, 83719)]