1276381600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 288

約数和(自身を含む): 3590770176

約数和(自身を除く): 2314388576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 37, 40, 50, 52, 62, 65, 74, 80, 100, 104, 107, 124, 130, 148, 155, 160, 185, 200, 208, 214, 248, 260, 296, 310, 325, 370, 400, 403, 416, 428, 481, 496, 520, 535, 592, 620, 650, 740, 775, 800, 806, 856, 925, 962, 992, 1040, 1070, 1147, 1184, 1240, 1300, 1391, 1480, 1550, 1612, 1712, 1850, 1924, 2015, 2080, 2140, 2294, 2405, 2480, 2600, 2675, 2782, 2960, 3100, 3224, 3317, 3424, 3700, 3848, 3959, 4030, 4280, 4588, 4810, 4960, 5200, 5350, 5564, 5735, 5920, 6200, 6448, 6634, 6955, 7400, 7696, 7918, 8060, 8560, 9176, 9620, 10075, 10400, 10700, 11128, 11470, 12025, 12400, 12896, 13268, 13910, 14800, 14911, 15392, 15836, 16120, 16585, 17120, 18352, 19240, 19795, 20150, 21400, 22256, 22940, 24050, 24800, 26536, 27820, 28675, 29600, 29822, 31672, 32240, 33170, 34775, 36704, 38480, 39590, 40300, 42800, 43121, 44512, 45880, 48100, 51467, 53072, 55640, 57350, 59644, 63344, 64480, 66340, 69550, 74555, 76960, 79180, 80600, 82925, 85600, 86242, 91760, 96200, 98975, 102934, 106144, 111280, 114700, 119288, 122729, 126688, 132680, 139100, 149110, 158360, 161200, 165850, 172484, 183520, 192400, 197950, 205868, 215605, 222560, 229400, 238576, 245458, 257335, 265360, 278200, 298220, 316720, 322400, 331700, 344968, 372775, 384800, 395900, 411736, 431210, 458800, 477152, 490916, 514670, 530720, 556400, 596440, 613645, 633440, 663400, 689936, 745550, 791800, 823472, 862420, 917600, 981832, 1029340, 1078025, 1112800, 1192880, 1227290, 1286675, 1326800, 1379872, 1491100, 1583600, 1595477, 1646944, 1724840, 1963664, 2058680, 2156050, 2385760, 2454580, 2573350, 2653600, 2982200, 3068225, 3167200, 3190954, 3449680, 3927328, 4117360, 4312100, 4909160, 5146700, 5964400, 6136450, 6381908, 6899360, 7977385, 8234720, 8624200, 9818320, 10293400, 11928800, 12272900, 12763816, 15954770, 17248400, 19636640, 20586800, 24545800, 25527632, 31909540, 34496800, 39886925, 41173600, 49091600, 51055264, 63819080, 79773850, 98183200, 127638160, 159547700, 255276320, 319095400, 638190800, 1276381600]

約数ペア:

[(1, 1276381600), (2, 638190800), (4, 319095400), (5, 255276320), (8, 159547700), (10, 127638160), (13, 98183200), (16, 79773850), (20, 63819080), (25, 51055264), (26, 49091600), (31, 41173600), (32, 39886925), (37, 34496800), (40, 31909540), (50, 25527632), (52, 24545800), (62, 20586800), (65, 19636640), (74, 17248400), (80, 15954770), (100, 12763816), (104, 12272900), (107, 11928800), (124, 10293400), (130, 9818320), (148, 8624200), (155, 8234720), (160, 7977385), (185, 6899360), (200, 6381908), (208, 6136450), (214, 5964400), (248, 5146700), (260, 4909160), (296, 4312100), (310, 4117360), (325, 3927328), (370, 3449680), (400, 3190954), (403, 3167200), (416, 3068225), (428, 2982200), (481, 2653600), (496, 2573350), (520, 2454580), (535, 2385760), (592, 2156050), (620, 2058680), (650, 1963664), (740, 1724840), (775, 1646944), (800, 1595477), (806, 1583600), (856, 1491100), (925, 1379872), (962, 1326800), (992, 1286675), (1040, 1227290), (1070, 1192880), (1147, 1112800), (1184, 1078025), (1240, 1029340), (1300, 981832), (1391, 917600), (1480, 862420), (1550, 823472), (1612, 791800), (1712, 745550), (1850, 689936), (1924, 663400), (2015, 633440), (2080, 613645), (2140, 596440), (2294, 556400), (2405, 530720), (2480, 514670), (2600, 490916), (2675, 477152), (2782, 458800), (2960, 431210), (3100, 411736), (3224, 395900), (3317, 384800), (3424, 372775), (3700, 344968), (3848, 331700), (3959, 322400), (4030, 316720), (4280, 298220), (4588, 278200), (4810, 265360), (4960, 257335), (5200, 245458), (5350, 238576), (5564, 229400), (5735, 222560), (5920, 215605), (6200, 205868), (6448, 197950), (6634, 192400), (6955, 183520), (7400, 172484), (7696, 165850), (7918, 161200), (8060, 158360), (8560, 149110), (9176, 139100), (9620, 132680), (10075, 126688), (10400, 122729), (10700, 119288), (11128, 114700), (11470, 111280), (12025, 106144), (12400, 102934), (12896, 98975), (13268, 96200), (13910, 91760), (14800, 86242), (14911, 85600), (15392, 82925), (15836, 80600), (16120, 79180), (16585, 76960), (17120, 74555), (18352, 69550), (19240, 66340), (19795, 64480), (20150, 63344), (21400, 59644), (22256, 57350), (22940, 55640), (24050, 53072), (24800, 51467), (26536, 48100), (27820, 45880), (28675, 44512), (29600, 43121), (29822, 42800), (31672, 40300), (32240, 39590), (33170, 38480), (34775, 36704)]