80825580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1237}}^1$

素因数の和:1277

約数の個数: 144

約数和(自身を含む): 276618720

約数和(自身を除く): 195793140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 297, 330, 363, 396, 484, 495, 540, 594, 605, 660, 726, 990, 1089, 1188, 1210, 1237, 1452, 1485, 1815, 1980, 2178, 2420, 2474, 2970, 3267, 3630, 3711, 4356, 4948, 5445, 5940, 6185, 6534, 7260, 7422, 10890, 11133, 12370, 13068, 13607, 14844, 16335, 18555, 21780, 22266, 24740, 27214, 32670, 33399, 37110, 40821, 44532, 54428, 55665, 65340, 66798, 68035, 74220, 81642, 111330, 122463, 133596, 136070, 149677, 163284, 166995, 204105, 222660, 244926, 272140, 299354, 333990, 367389, 408210, 449031, 489852, 598708, 612315, 667980, 734778, 748385, 816420, 898062, 1224630, 1347093, 1469556, 1496770, 1796124, 1836945, 2245155, 2449260, 2694186, 2993540, 3673890, 4041279, 4490310, 5388372, 6735465, 7347780, 8082558, 8980620, 13470930, 16165116, 20206395, 26941860, 40412790, 80825580]

約数ペア:

[(1, 80825580), (2, 40412790), (3, 26941860), (4, 20206395), (5, 16165116), (6, 13470930), (9, 8980620), (10, 8082558), (11, 7347780), (12, 6735465), (15, 5388372), (18, 4490310), (20, 4041279), (22, 3673890), (27, 2993540), (30, 2694186), (33, 2449260), (36, 2245155), (44, 1836945), (45, 1796124), (54, 1496770), (55, 1469556), (60, 1347093), (66, 1224630), (90, 898062), (99, 816420), (108, 748385), (110, 734778), (121, 667980), (132, 612315), (135, 598708), (165, 489852), (180, 449031), (198, 408210), (220, 367389), (242, 333990), (270, 299354), (297, 272140), (330, 244926), (363, 222660), (396, 204105), (484, 166995), (495, 163284), (540, 149677), (594, 136070), (605, 133596), (660, 122463), (726, 111330), (990, 81642), (1089, 74220), (1188, 68035), (1210, 66798), (1237, 65340), (1452, 55665), (1485, 54428), (1815, 44532), (1980, 40821), (2178, 37110), (2420, 33399), (2474, 32670), (2970, 27214), (3267, 24740), (3630, 22266), (3711, 21780), (4356, 18555), (4948, 16335), (5445, 14844), (5940, 13607), (6185, 13068), (6534, 12370), (7260, 11133), (7422, 10890)]