1277761770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{701}}^1$

素因数の和:917

約数の個数: 128

約数和(自身を含む): 3513818880

約数和(自身を除く): 2236057110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 157, 215, 258, 270, 314, 387, 430, 471, 645, 701, 774, 785, 942, 1161, 1290, 1402, 1413, 1570, 1935, 2103, 2322, 2355, 2826, 3505, 3870, 4206, 4239, 4710, 5805, 6309, 6751, 7010, 7065, 8478, 10515, 11610, 12618, 13502, 14130, 18927, 20253, 21030, 21195, 30143, 31545, 33755, 37854, 40506, 42390, 60286, 60759, 63090, 67510, 90429, 94635, 101265, 110057, 121518, 150715, 180858, 182277, 189270, 202530, 220114, 271287, 301430, 303795, 330171, 364554, 452145, 542574, 550285, 607590, 660342, 813861, 904290, 911385, 990513, 1100570, 1356435, 1627722, 1650855, 1822770, 1981026, 2712870, 2971539, 3301710, 4069305, 4732451, 4952565, 5943078, 8138610, 9464902, 9905130, 14197353, 14857695, 23662255, 28394706, 29715390, 42592059, 47324510, 70986765, 85184118, 127776177, 141973530, 212960295, 255552354, 425920590, 638880885, 1277761770]

約数ペア:

[(1, 1277761770), (2, 638880885), (3, 425920590), (5, 255552354), (6, 212960295), (9, 141973530), (10, 127776177), (15, 85184118), (18, 70986765), (27, 47324510), (30, 42592059), (43, 29715390), (45, 28394706), (54, 23662255), (86, 14857695), (90, 14197353), (129, 9905130), (135, 9464902), (157, 8138610), (215, 5943078), (258, 4952565), (270, 4732451), (314, 4069305), (387, 3301710), (430, 2971539), (471, 2712870), (645, 1981026), (701, 1822770), (774, 1650855), (785, 1627722), (942, 1356435), (1161, 1100570), (1290, 990513), (1402, 911385), (1413, 904290), (1570, 813861), (1935, 660342), (2103, 607590), (2322, 550285), (2355, 542574), (2826, 452145), (3505, 364554), (3870, 330171), (4206, 303795), (4239, 301430), (4710, 271287), (5805, 220114), (6309, 202530), (6751, 189270), (7010, 182277), (7065, 180858), (8478, 150715), (10515, 121518), (11610, 110057), (12618, 101265), (13502, 94635), (14130, 90429), (18927, 67510), (20253, 63090), (21030, 60759), (21195, 60286), (30143, 42390), (31545, 40506), (33755, 37854)]