201656280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1009

約数の個数: 128

約数和(自身を含む): 694241280

約数和(自身を除く): 492585000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 431, 557, 840, 862, 1114, 1293, 1671, 1724, 2155, 2228, 2586, 2785, 3017, 3342, 3448, 3899, 4310, 4456, 5172, 5570, 6034, 6465, 6684, 7798, 8355, 8620, 9051, 10344, 11140, 11697, 12068, 12930, 13368, 15085, 15596, 16710, 17240, 18102, 19495, 22280, 23394, 24136, 25860, 30170, 31192, 33420, 36204, 38990, 45255, 46788, 51720, 58485, 60340, 66840, 72408, 77980, 90510, 93576, 116970, 120680, 155960, 181020, 233940, 240067, 362040, 467880, 480134, 720201, 960268, 1200335, 1440402, 1680469, 1920536, 2400670, 2880804, 3360938, 3601005, 4801340, 5041407, 5761608, 6721876, 7202010, 8402345, 9602680, 10082814, 13443752, 14404020, 16804690, 20165628, 25207035, 28808040, 33609380, 40331256, 50414070, 67218760, 100828140, 201656280]

約数ペア:

[(1, 201656280), (2, 100828140), (3, 67218760), (4, 50414070), (5, 40331256), (6, 33609380), (7, 28808040), (8, 25207035), (10, 20165628), (12, 16804690), (14, 14404020), (15, 13443752), (20, 10082814), (21, 9602680), (24, 8402345), (28, 7202010), (30, 6721876), (35, 5761608), (40, 5041407), (42, 4801340), (56, 3601005), (60, 3360938), (70, 2880804), (84, 2400670), (105, 1920536), (120, 1680469), (140, 1440402), (168, 1200335), (210, 960268), (280, 720201), (420, 480134), (431, 467880), (557, 362040), (840, 240067), (862, 233940), (1114, 181020), (1293, 155960), (1671, 120680), (1724, 116970), (2155, 93576), (2228, 90510), (2586, 77980), (2785, 72408), (3017, 66840), (3342, 60340), (3448, 58485), (3899, 51720), (4310, 46788), (4456, 45255), (5172, 38990), (5570, 36204), (6034, 33420), (6465, 31192), (6684, 30170), (7798, 25860), (8355, 24136), (8620, 23394), (9051, 22280), (10344, 19495), (11140, 18102), (11697, 17240), (12068, 16710), (12930, 15596), (13368, 15085)]