142755440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 345352896

約数和(自身を除く): 202597456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 71, 80, 82, 142, 164, 205, 284, 328, 355, 410, 568, 613, 656, 710, 820, 1136, 1226, 1420, 1640, 2452, 2840, 2911, 3065, 3280, 4904, 5680, 5822, 6130, 9808, 11644, 12260, 14555, 23288, 24520, 25133, 29110, 43523, 46576, 49040, 50266, 58220, 87046, 100532, 116440, 125665, 174092, 201064, 217615, 232880, 251330, 348184, 402128, 435230, 502660, 696368, 870460, 1005320, 1740920, 1784443, 2010640, 3481840, 3568886, 7137772, 8922215, 14275544, 17844430, 28551088, 35688860, 71377720, 142755440]

約数ペア:

[(1, 142755440), (2, 71377720), (4, 35688860), (5, 28551088), (8, 17844430), (10, 14275544), (16, 8922215), (20, 7137772), (40, 3568886), (41, 3481840), (71, 2010640), (80, 1784443), (82, 1740920), (142, 1005320), (164, 870460), (205, 696368), (284, 502660), (328, 435230), (355, 402128), (410, 348184), (568, 251330), (613, 232880), (656, 217615), (710, 201064), (820, 174092), (1136, 125665), (1226, 116440), (1420, 100532), (1640, 87046), (2452, 58220), (2840, 50266), (2911, 49040), (3065, 46576), (3280, 43523), (4904, 29110), (5680, 25133), (5822, 24520), (6130, 23288), (9808, 14555), (11644, 12260)]