141667720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 327680640

約数和(自身を除く): 186012920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 142, 166, 284, 332, 355, 415, 568, 601, 664, 710, 830, 1202, 1420, 1660, 2404, 2840, 3005, 3320, 4808, 5893, 6010, 11786, 12020, 23572, 24040, 29465, 42671, 47144, 49883, 58930, 85342, 99766, 117860, 170684, 199532, 213355, 235720, 249415, 341368, 399064, 426710, 498830, 853420, 997660, 1706840, 1995320, 3541693, 7083386, 14166772, 17708465, 28333544, 35416930, 70833860, 141667720]

約数ペア:

[(1, 141667720), (2, 70833860), (4, 35416930), (5, 28333544), (8, 17708465), (10, 14166772), (20, 7083386), (40, 3541693), (71, 1995320), (83, 1706840), (142, 997660), (166, 853420), (284, 498830), (332, 426710), (355, 399064), (415, 341368), (568, 249415), (601, 235720), (664, 213355), (710, 199532), (830, 170684), (1202, 117860), (1420, 99766), (1660, 85342), (2404, 58930), (2840, 49883), (3005, 47144), (3320, 42671), (4808, 29465), (5893, 24040), (6010, 23572), (11786, 12020)]