128695840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8839}}^1$

素因数の和:8874

約数の個数: 96

約数和(自身を含む): 374250240

約数和(自身を除く): 245554400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 7280, 8839, 14560, 17678, 35356, 44195, 61873, 70712, 88390, 114907, 123746, 141424, 176780, 229814, 247492, 282848, 309365, 353560, 459628, 494984, 574535, 618730, 707120, 804349, 919256, 989968, 1149070, 1237460, 1414240, 1608698, 1838512, 1979936, 2298140, 2474920, 3217396, 3677024, 4021745, 4596280, 4949840, 6434792, 8043490, 9192560, 9899680, 12869584, 16086980, 18385120, 25739168, 32173960, 64347920, 128695840]

約数ペア:

[(1, 128695840), (2, 64347920), (4, 32173960), (5, 25739168), (7, 18385120), (8, 16086980), (10, 12869584), (13, 9899680), (14, 9192560), (16, 8043490), (20, 6434792), (26, 4949840), (28, 4596280), (32, 4021745), (35, 3677024), (40, 3217396), (52, 2474920), (56, 2298140), (65, 1979936), (70, 1838512), (80, 1608698), (91, 1414240), (104, 1237460), (112, 1149070), (130, 989968), (140, 919256), (160, 804349), (182, 707120), (208, 618730), (224, 574535), (260, 494984), (280, 459628), (364, 353560), (416, 309365), (455, 282848), (520, 247492), (560, 229814), (728, 176780), (910, 141424), (1040, 123746), (1120, 114907), (1456, 88390), (1820, 70712), (2080, 61873), (2912, 44195), (3640, 35356), (7280, 17678), (8839, 14560)]