620897760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2046

約数の個数: 288

約数和(自身を含む): 2500872192

約数和(自身を除く): 1879974432

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 1987, 2016, 2170, 2232, 2480, 2520, 2604, 2790, 2976, 3255, 3360, 3472, 3720, 3906, 3974, 4340, 4464, 4960, 5040, 5208, 5580, 5961, 6510, 6944, 7440, 7812, 7948, 8680, 8928, 9765, 9935, 10080, 10416, 11160, 11922, 13020, 13909, 14880, 15624, 15896, 17360, 17883, 19530, 19870, 20832, 22320, 23844, 26040, 27818, 29805, 31248, 31792, 34720, 35766, 39060, 39740, 41727, 44640, 47688, 52080, 55636, 59610, 61597, 62496, 63584, 69545, 71532, 78120, 79480, 83454, 89415, 95376, 104160, 111272, 119220, 123194, 125181, 139090, 143064, 156240, 158960, 166908, 178830, 184791, 190752, 208635, 222544, 238440, 246388, 250362, 278180, 286128, 307985, 312480, 317920, 333816, 357660, 369582, 417270, 431179, 445088, 476880, 492776, 500724, 554373, 556360, 572256, 615970, 625905, 667632, 715320, 739164, 834540, 862358, 923955, 953760, 985552, 1001448, 1108746, 1112720, 1231940, 1251810, 1293537, 1335264, 1430640, 1478328, 1669080, 1724716, 1847910, 1971104, 2002896, 2155895, 2217492, 2225440, 2463880, 2503620, 2587074, 2771865, 2861280, 2956656, 3338160, 3449432, 3695820, 3880611, 4005792, 4311790, 4434984, 4927760, 5007240, 5174148, 5543730, 5913312, 6467685, 6676320, 6898864, 7391640, 7761222, 8623580, 8869968, 9855520, 10014480, 10348296, 11087460, 12935370, 13797728, 14783280, 15522444, 17247160, 17739936, 19403055, 20028960, 20696592, 22174920, 25870740, 29566560, 31044888, 34494320, 38806110, 41393184, 44349840, 51741480, 62089776, 68988640, 77612220, 88699680, 103482960, 124179552, 155224440, 206965920, 310448880, 620897760]

約数ペア:

[(1, 620897760), (2, 310448880), (3, 206965920), (4, 155224440), (5, 124179552), (6, 103482960), (7, 88699680), (8, 77612220), (9, 68988640), (10, 62089776), (12, 51741480), (14, 44349840), (15, 41393184), (16, 38806110), (18, 34494320), (20, 31044888), (21, 29566560), (24, 25870740), (28, 22174920), (30, 20696592), (31, 20028960), (32, 19403055), (35, 17739936), (36, 17247160), (40, 15522444), (42, 14783280), (45, 13797728), (48, 12935370), (56, 11087460), (60, 10348296), (62, 10014480), (63, 9855520), (70, 8869968), (72, 8623580), (80, 7761222), (84, 7391640), (90, 6898864), (93, 6676320), (96, 6467685), (105, 5913312), (112, 5543730), (120, 5174148), (124, 5007240), (126, 4927760), (140, 4434984), (144, 4311790), (155, 4005792), (160, 3880611), (168, 3695820), (180, 3449432), (186, 3338160), (210, 2956656), (217, 2861280), (224, 2771865), (240, 2587074), (248, 2503620), (252, 2463880), (279, 2225440), (280, 2217492), (288, 2155895), (310, 2002896), (315, 1971104), (336, 1847910), (360, 1724716), (372, 1669080), (420, 1478328), (434, 1430640), (465, 1335264), (480, 1293537), (496, 1251810), (504, 1231940), (558, 1112720), (560, 1108746), (620, 1001448), (630, 985552), (651, 953760), (672, 923955), (720, 862358), (744, 834540), (840, 739164), (868, 715320), (930, 667632), (992, 625905), (1008, 615970), (1085, 572256), (1116, 556360), (1120, 554373), (1240, 500724), (1260, 492776), (1302, 476880), (1395, 445088), (1440, 431179), (1488, 417270), (1680, 369582), (1736, 357660), (1860, 333816), (1953, 317920), (1987, 312480), (2016, 307985), (2170, 286128), (2232, 278180), (2480, 250362), (2520, 246388), (2604, 238440), (2790, 222544), (2976, 208635), (3255, 190752), (3360, 184791), (3472, 178830), (3720, 166908), (3906, 158960), (3974, 156240), (4340, 143064), (4464, 139090), (4960, 125181), (5040, 123194), (5208, 119220), (5580, 111272), (5961, 104160), (6510, 95376), (6944, 89415), (7440, 83454), (7812, 79480), (7948, 78120), (8680, 71532), (8928, 69545), (9765, 63584), (9935, 62496), (10080, 61597), (10416, 59610), (11160, 55636), (11922, 52080), (13020, 47688), (13909, 44640), (14880, 41727), (15624, 39740), (15896, 39060), (17360, 35766), (17883, 34720), (19530, 31792), (19870, 31248), (20832, 29805), (22320, 27818), (23844, 26040)]