81406320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8273}}^1$

素因数の和:8330

約数の個数: 80

約数和(自身を含む): 258545952

約数和(自身を除く): 177139632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 8273, 9840, 16546, 24819, 33092, 41365, 49638, 66184, 82730, 99276, 124095, 132368, 165460, 198552, 248190, 330920, 339193, 397104, 496380, 661840, 678386, 992760, 1017579, 1356772, 1695965, 1985520, 2035158, 2713544, 3391930, 4070316, 5087895, 5427088, 6783860, 8140632, 10175790, 13567720, 16281264, 20351580, 27135440, 40703160, 81406320]

約数ペア:

[(1, 81406320), (2, 40703160), (3, 27135440), (4, 20351580), (5, 16281264), (6, 13567720), (8, 10175790), (10, 8140632), (12, 6783860), (15, 5427088), (16, 5087895), (20, 4070316), (24, 3391930), (30, 2713544), (40, 2035158), (41, 1985520), (48, 1695965), (60, 1356772), (80, 1017579), (82, 992760), (120, 678386), (123, 661840), (164, 496380), (205, 397104), (240, 339193), (246, 330920), (328, 248190), (410, 198552), (492, 165460), (615, 132368), (656, 124095), (820, 99276), (984, 82730), (1230, 66184), (1640, 49638), (1968, 41365), (2460, 33092), (3280, 24819), (4920, 16546), (8273, 9840)]