90805960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 247276800

約数和(自身を除く): 156470840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 53, 56, 58, 70, 106, 116, 140, 145, 203, 211, 212, 232, 265, 280, 290, 371, 406, 422, 424, 530, 580, 742, 812, 844, 1015, 1055, 1060, 1160, 1477, 1484, 1537, 1624, 1688, 1855, 2030, 2110, 2120, 2954, 2968, 3074, 3710, 4060, 4220, 5908, 6119, 6148, 7385, 7420, 7685, 8120, 8440, 10759, 11183, 11816, 12238, 12296, 14770, 14840, 15370, 21518, 22366, 24476, 29540, 30595, 30740, 42833, 43036, 44732, 48952, 53795, 55915, 59080, 61190, 61480, 78281, 85666, 86072, 89464, 107590, 111830, 122380, 156562, 171332, 214165, 215180, 223660, 244760, 313124, 324307, 342664, 391405, 428330, 430360, 447320, 626248, 648614, 782810, 856660, 1297228, 1565620, 1621535, 1713320, 2270149, 2594456, 3131240, 3243070, 4540298, 6486140, 9080596, 11350745, 12972280, 18161192, 22701490, 45402980, 90805960]

約数ペア:

[(1, 90805960), (2, 45402980), (4, 22701490), (5, 18161192), (7, 12972280), (8, 11350745), (10, 9080596), (14, 6486140), (20, 4540298), (28, 3243070), (29, 3131240), (35, 2594456), (40, 2270149), (53, 1713320), (56, 1621535), (58, 1565620), (70, 1297228), (106, 856660), (116, 782810), (140, 648614), (145, 626248), (203, 447320), (211, 430360), (212, 428330), (232, 391405), (265, 342664), (280, 324307), (290, 313124), (371, 244760), (406, 223660), (422, 215180), (424, 214165), (530, 171332), (580, 156562), (742, 122380), (812, 111830), (844, 107590), (1015, 89464), (1055, 86072), (1060, 85666), (1160, 78281), (1477, 61480), (1484, 61190), (1537, 59080), (1624, 55915), (1688, 53795), (1855, 48952), (2030, 44732), (2110, 43036), (2120, 42833), (2954, 30740), (2968, 30595), (3074, 29540), (3710, 24476), (4060, 22366), (4220, 21518), (5908, 15370), (6119, 14840), (6148, 14770), (7385, 12296), (7420, 12238), (7685, 11816), (8120, 11183), (8440, 10759)]