87281010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 245721600

約数和(自身を除く): 158440590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 71, 87, 90, 135, 142, 145, 157, 174, 213, 261, 270, 290, 314, 355, 426, 435, 471, 522, 639, 710, 783, 785, 870, 942, 1065, 1278, 1305, 1413, 1566, 1570, 1917, 2059, 2130, 2355, 2610, 2826, 3195, 3834, 3915, 4118, 4239, 4553, 4710, 6177, 6390, 7065, 7830, 8478, 9106, 9585, 10295, 11147, 12354, 13659, 14130, 18531, 19170, 20590, 21195, 22294, 22765, 27318, 30885, 33441, 37062, 40977, 42390, 45530, 55593, 55735, 61770, 66882, 68295, 81954, 92655, 100323, 111186, 111470, 122931, 136590, 167205, 185310, 200646, 204885, 245862, 277965, 300969, 323263, 334410, 409770, 501615, 555930, 601938, 614655, 646526, 969789, 1003230, 1229310, 1504845, 1616315, 1939578, 2909367, 3009690, 3232630, 4848945, 5818734, 8728101, 9697890, 14546835, 17456202, 29093670, 43640505, 87281010]

約数ペア:

[(1, 87281010), (2, 43640505), (3, 29093670), (5, 17456202), (6, 14546835), (9, 9697890), (10, 8728101), (15, 5818734), (18, 4848945), (27, 3232630), (29, 3009690), (30, 2909367), (45, 1939578), (54, 1616315), (58, 1504845), (71, 1229310), (87, 1003230), (90, 969789), (135, 646526), (142, 614655), (145, 601938), (157, 555930), (174, 501615), (213, 409770), (261, 334410), (270, 323263), (290, 300969), (314, 277965), (355, 245862), (426, 204885), (435, 200646), (471, 185310), (522, 167205), (639, 136590), (710, 122931), (783, 111470), (785, 111186), (870, 100323), (942, 92655), (1065, 81954), (1278, 68295), (1305, 66882), (1413, 61770), (1566, 55735), (1570, 55593), (1917, 45530), (2059, 42390), (2130, 40977), (2355, 37062), (2610, 33441), (2826, 30885), (3195, 27318), (3834, 22765), (3915, 22294), (4118, 21195), (4239, 20590), (4553, 19170), (4710, 18531), (6177, 14130), (6390, 13659), (7065, 12354), (7830, 11147), (8478, 10295), (9106, 9585)]