131641360

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 315979776

約数和(自身を除く): 184338416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 157, 188, 223, 235, 314, 376, 446, 470, 628, 752, 785, 892, 940, 1115, 1256, 1570, 1784, 1880, 2230, 2512, 3140, 3568, 3760, 4460, 6280, 7379, 8920, 10481, 12560, 14758, 17840, 20962, 29516, 35011, 36895, 41924, 52405, 59032, 70022, 73790, 83848, 104810, 118064, 140044, 147580, 167696, 175055, 209620, 280088, 295160, 350110, 419240, 560176, 590320, 700220, 838480, 1400440, 1645517, 2800880, 3291034, 6582068, 8227585, 13164136, 16455170, 26328272, 32910340, 65820680, 131641360]

約数ペア:

[(1, 131641360), (2, 65820680), (4, 32910340), (5, 26328272), (8, 16455170), (10, 13164136), (16, 8227585), (20, 6582068), (40, 3291034), (47, 2800880), (80, 1645517), (94, 1400440), (157, 838480), (188, 700220), (223, 590320), (235, 560176), (314, 419240), (376, 350110), (446, 295160), (470, 280088), (628, 209620), (752, 175055), (785, 167696), (892, 147580), (940, 140044), (1115, 118064), (1256, 104810), (1570, 83848), (1784, 73790), (1880, 70022), (2230, 59032), (2512, 52405), (3140, 41924), (3568, 36895), (3760, 35011), (4460, 29516), (6280, 20962), (7379, 17840), (8920, 14758), (10481, 12560)]