128747850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 406259712

約数和(自身を除く): 277511862

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 42, 50, 55, 66, 70, 71, 75, 77, 105, 110, 142, 150, 154, 157, 165, 175, 210, 213, 231, 275, 314, 330, 350, 355, 385, 426, 462, 471, 497, 525, 550, 710, 770, 781, 785, 825, 942, 994, 1050, 1065, 1099, 1155, 1491, 1562, 1570, 1650, 1727, 1775, 1925, 2130, 2198, 2310, 2343, 2355, 2485, 2982, 3297, 3454, 3550, 3850, 3905, 3925, 4686, 4710, 4970, 5181, 5325, 5467, 5495, 5775, 6594, 7455, 7810, 7850, 8635, 10362, 10650, 10934, 10990, 11147, 11550, 11715, 11775, 12089, 12425, 14910, 16401, 16485, 17270, 19525, 22294, 23430, 23550, 24178, 24850, 25905, 27335, 27475, 32802, 32970, 33441, 36267, 37275, 39050, 43175, 51810, 54670, 54950, 55735, 58575, 60445, 66882, 72534, 74550, 78029, 82005, 82425, 86350, 111470, 117150, 120890, 122617, 129525, 136675, 156058, 164010, 164850, 167205, 181335, 234087, 245234, 259050, 273350, 278675, 302225, 334410, 362670, 367851, 390145, 410025, 468174, 557350, 604450, 613085, 735702, 780290, 820050, 836025, 858319, 906675, 1170435, 1226170, 1672050, 1716638, 1813350, 1839255, 1950725, 2340870, 2574957, 3065425, 3678510, 3901450, 4291595, 5149914, 5852175, 6130850, 8583190, 9196275, 11704350, 12874785, 18392550, 21457975, 25749570, 42915950, 64373925, 128747850]

約数ペア:

[(1, 128747850), (2, 64373925), (3, 42915950), (5, 25749570), (6, 21457975), (7, 18392550), (10, 12874785), (11, 11704350), (14, 9196275), (15, 8583190), (21, 6130850), (22, 5852175), (25, 5149914), (30, 4291595), (33, 3901450), (35, 3678510), (42, 3065425), (50, 2574957), (55, 2340870), (66, 1950725), (70, 1839255), (71, 1813350), (75, 1716638), (77, 1672050), (105, 1226170), (110, 1170435), (142, 906675), (150, 858319), (154, 836025), (157, 820050), (165, 780290), (175, 735702), (210, 613085), (213, 604450), (231, 557350), (275, 468174), (314, 410025), (330, 390145), (350, 367851), (355, 362670), (385, 334410), (426, 302225), (462, 278675), (471, 273350), (497, 259050), (525, 245234), (550, 234087), (710, 181335), (770, 167205), (781, 164850), (785, 164010), (825, 156058), (942, 136675), (994, 129525), (1050, 122617), (1065, 120890), (1099, 117150), (1155, 111470), (1491, 86350), (1562, 82425), (1570, 82005), (1650, 78029), (1727, 74550), (1775, 72534), (1925, 66882), (2130, 60445), (2198, 58575), (2310, 55735), (2343, 54950), (2355, 54670), (2485, 51810), (2982, 43175), (3297, 39050), (3454, 37275), (3550, 36267), (3850, 33441), (3905, 32970), (3925, 32802), (4686, 27475), (4710, 27335), (4970, 25905), (5181, 24850), (5325, 24178), (5467, 23550), (5495, 23430), (5775, 22294), (6594, 19525), (7455, 17270), (7810, 16485), (7850, 16401), (8635, 14910), (10362, 12425), (10650, 12089), (10934, 11775), (10990, 11715), (11147, 11550)]