7817360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 19790400

約数和(自身を除く): 11973040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 139, 148, 152, 185, 190, 278, 296, 304, 370, 380, 556, 592, 695, 703, 740, 760, 1112, 1390, 1406, 1480, 1520, 2224, 2641, 2780, 2812, 2960, 3515, 5143, 5282, 5560, 5624, 7030, 10286, 10564, 11120, 11248, 13205, 14060, 20572, 21128, 25715, 26410, 28120, 41144, 42256, 51430, 52820, 56240, 82288, 97717, 102860, 105640, 195434, 205720, 211280, 390868, 411440, 488585, 781736, 977170, 1563472, 1954340, 3908680, 7817360]

約数ペア:

[(1, 7817360), (2, 3908680), (4, 1954340), (5, 1563472), (8, 977170), (10, 781736), (16, 488585), (19, 411440), (20, 390868), (37, 211280), (38, 205720), (40, 195434), (74, 105640), (76, 102860), (80, 97717), (95, 82288), (139, 56240), (148, 52820), (152, 51430), (185, 42256), (190, 41144), (278, 28120), (296, 26410), (304, 25715), (370, 21128), (380, 20572), (556, 14060), (592, 13205), (695, 11248), (703, 11120), (740, 10564), (760, 10286), (1112, 7030), (1390, 5624), (1406, 5560), (1480, 5282), (1520, 5143), (2224, 3515), (2641, 2960), (2780, 2812)]