2643280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 80

約数和(自身を含む): 6785280

約数和(自身を除く): 4142000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 47, 74, 76, 80, 94, 95, 148, 152, 185, 188, 190, 235, 296, 304, 370, 376, 380, 470, 592, 703, 740, 752, 760, 893, 940, 1406, 1480, 1520, 1739, 1786, 1880, 2812, 2960, 3478, 3515, 3572, 3760, 4465, 5624, 6956, 7030, 7144, 8695, 8930, 11248, 13912, 14060, 14288, 17390, 17860, 27824, 28120, 33041, 34780, 35720, 56240, 66082, 69560, 71440, 132164, 139120, 165205, 264328, 330410, 528656, 660820, 1321640, 2643280]

約数ペア:

[(1, 2643280), (2, 1321640), (4, 660820), (5, 528656), (8, 330410), (10, 264328), (16, 165205), (19, 139120), (20, 132164), (37, 71440), (38, 69560), (40, 66082), (47, 56240), (74, 35720), (76, 34780), (80, 33041), (94, 28120), (95, 27824), (148, 17860), (152, 17390), (185, 14288), (188, 14060), (190, 13912), (235, 11248), (296, 8930), (304, 8695), (370, 7144), (376, 7030), (380, 6956), (470, 5624), (592, 4465), (703, 3760), (740, 3572), (752, 3515), (760, 3478), (893, 2960), (940, 2812), (1406, 1880), (1480, 1786), (1520, 1739)]