142839680

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2689}}^1$

素因数の和:2791

約数の個数: 64

約数和(自身を含む): 345718800

約数和(自身を除く): 202879120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 640, 664, 830, 1328, 1660, 2656, 2689, 3320, 5312, 5378, 6640, 10624, 10756, 13280, 13445, 21512, 26560, 26890, 43024, 53120, 53780, 86048, 107560, 172096, 215120, 223187, 344192, 430240, 446374, 860480, 892748, 1115935, 1720960, 1785496, 2231870, 3570992, 4463740, 7141984, 8927480, 14283968, 17854960, 28567936, 35709920, 71419840, 142839680]

約数ペア:

[(1, 142839680), (2, 71419840), (4, 35709920), (5, 28567936), (8, 17854960), (10, 14283968), (16, 8927480), (20, 7141984), (32, 4463740), (40, 3570992), (64, 2231870), (80, 1785496), (83, 1720960), (128, 1115935), (160, 892748), (166, 860480), (320, 446374), (332, 430240), (415, 344192), (640, 223187), (664, 215120), (830, 172096), (1328, 107560), (1660, 86048), (2656, 53780), (2689, 53120), (3320, 43024), (5312, 26890), (5378, 26560), (6640, 21512), (10624, 13445), (10756, 13280)]