12789493040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2081}}^1\times {\mathrm{4519}}^1$

素因数の和:6630

約数の個数: 80

約数和(自身を含む): 31506822720

約数和(自身を除く): 18717329680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2081, 4162, 4519, 8324, 9038, 10405, 16648, 18076, 20810, 22595, 33296, 35377, 36152, 41620, 45190, 70754, 72304, 76823, 83240, 90380, 141508, 153646, 166480, 176885, 180760, 283016, 307292, 353770, 361520, 384115, 566032, 614584, 707540, 768230, 1229168, 1415080, 1536460, 2830160, 3072920, 6145840, 9404039, 18808078, 37616156, 47020195, 75232312, 94040390, 150464624, 159868663, 188080780, 319737326, 376161560, 639474652, 752323120, 799343315, 1278949304, 1598686630, 2557898608, 3197373260, 6394746520, 12789493040]

約数ペア:

[(1, 12789493040), (2, 6394746520), (4, 3197373260), (5, 2557898608), (8, 1598686630), (10, 1278949304), (16, 799343315), (17, 752323120), (20, 639474652), (34, 376161560), (40, 319737326), (68, 188080780), (80, 159868663), (85, 150464624), (136, 94040390), (170, 75232312), (272, 47020195), (340, 37616156), (680, 18808078), (1360, 9404039), (2081, 6145840), (4162, 3072920), (4519, 2830160), (8324, 1536460), (9038, 1415080), (10405, 1229168), (16648, 768230), (18076, 707540), (20810, 614584), (22595, 566032), (33296, 384115), (35377, 361520), (36152, 353770), (41620, 307292), (45190, 283016), (70754, 180760), (72304, 176885), (76823, 166480), (83240, 153646), (90380, 141508)]