15761640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 51609600

約数和(自身を除く): 35847960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 223, 228, 248, 285, 310, 372, 380, 446, 456, 465, 570, 589, 620, 669, 744, 760, 892, 930, 1115, 1140, 1178, 1240, 1338, 1767, 1784, 1860, 2230, 2280, 2356, 2676, 2945, 3345, 3534, 3720, 4237, 4460, 4712, 5352, 5890, 6690, 6913, 7068, 8474, 8835, 8920, 11780, 12711, 13380, 13826, 14136, 16948, 17670, 20739, 21185, 23560, 25422, 26760, 27652, 33896, 34565, 35340, 41478, 42370, 50844, 55304, 63555, 69130, 70680, 82956, 84740, 101688, 103695, 127110, 131347, 138260, 165912, 169480, 207390, 254220, 262694, 276520, 394041, 414780, 508440, 525388, 656735, 788082, 829560, 1050776, 1313470, 1576164, 1970205, 2626940, 3152328, 3940410, 5253880, 7880820, 15761640]

約数ペア:

[(1, 15761640), (2, 7880820), (3, 5253880), (4, 3940410), (5, 3152328), (6, 2626940), (8, 1970205), (10, 1576164), (12, 1313470), (15, 1050776), (19, 829560), (20, 788082), (24, 656735), (30, 525388), (31, 508440), (38, 414780), (40, 394041), (57, 276520), (60, 262694), (62, 254220), (76, 207390), (93, 169480), (95, 165912), (114, 138260), (120, 131347), (124, 127110), (152, 103695), (155, 101688), (186, 84740), (190, 82956), (223, 70680), (228, 69130), (248, 63555), (285, 55304), (310, 50844), (372, 42370), (380, 41478), (446, 35340), (456, 34565), (465, 33896), (570, 27652), (589, 26760), (620, 25422), (669, 23560), (744, 21185), (760, 20739), (892, 17670), (930, 16948), (1115, 14136), (1140, 13826), (1178, 13380), (1240, 12711), (1338, 11780), (1767, 8920), (1784, 8835), (1860, 8474), (2230, 7068), (2280, 6913), (2356, 6690), (2676, 5890), (2945, 5352), (3345, 4712), (3534, 4460), (3720, 4237)]