81296460

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 240

約数和(自身を含む): 298577664

約数和(自身を除く): 217281204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 67, 70, 81, 84, 90, 105, 107, 108, 126, 134, 135, 140, 162, 180, 189, 201, 210, 214, 252, 268, 270, 315, 321, 324, 335, 378, 402, 405, 420, 428, 469, 535, 540, 567, 603, 630, 642, 670, 749, 756, 804, 810, 938, 945, 963, 1005, 1070, 1134, 1206, 1260, 1284, 1340, 1407, 1498, 1605, 1620, 1809, 1876, 1890, 1926, 2010, 2140, 2247, 2268, 2345, 2412, 2814, 2835, 2889, 2996, 3015, 3210, 3618, 3745, 3780, 3852, 4020, 4221, 4494, 4690, 4815, 5427, 5628, 5670, 5778, 6030, 6420, 6741, 7035, 7169, 7236, 7490, 8442, 8667, 8988, 9045, 9380, 9630, 10854, 11235, 11340, 11556, 12060, 12663, 13482, 14070, 14338, 14445, 14980, 16884, 17334, 18090, 19260, 20223, 21105, 21507, 21708, 22470, 25326, 26964, 27135, 28140, 28676, 28890, 33705, 34668, 35845, 36180, 37989, 40446, 42210, 43014, 43335, 44940, 50183, 50652, 54270, 57780, 60669, 63315, 64521, 67410, 71690, 75978, 80892, 84420, 86028, 86670, 100366, 101115, 107535, 108540, 121338, 126630, 129042, 134820, 143380, 150549, 151956, 173340, 189945, 193563, 200732, 202230, 215070, 242676, 250915, 253260, 258084, 301098, 303345, 322605, 379890, 387126, 404460, 430140, 451647, 501830, 580689, 602196, 606690, 645210, 752745, 759780, 774252, 903294, 967815, 1003660, 1161378, 1213380, 1290420, 1354941, 1505490, 1806588, 1935630, 2258235, 2322756, 2709882, 2903445, 3010980, 3871260, 4064823, 4516470, 5419764, 5806890, 6774705, 8129646, 9032940, 11613780, 13549410, 16259292, 20324115, 27098820, 40648230, 81296460]

約数ペア:

[(1, 81296460), (2, 40648230), (3, 27098820), (4, 20324115), (5, 16259292), (6, 13549410), (7, 11613780), (9, 9032940), (10, 8129646), (12, 6774705), (14, 5806890), (15, 5419764), (18, 4516470), (20, 4064823), (21, 3871260), (27, 3010980), (28, 2903445), (30, 2709882), (35, 2322756), (36, 2258235), (42, 1935630), (45, 1806588), (54, 1505490), (60, 1354941), (63, 1290420), (67, 1213380), (70, 1161378), (81, 1003660), (84, 967815), (90, 903294), (105, 774252), (107, 759780), (108, 752745), (126, 645210), (134, 606690), (135, 602196), (140, 580689), (162, 501830), (180, 451647), (189, 430140), (201, 404460), (210, 387126), (214, 379890), (252, 322605), (268, 303345), (270, 301098), (315, 258084), (321, 253260), (324, 250915), (335, 242676), (378, 215070), (402, 202230), (405, 200732), (420, 193563), (428, 189945), (469, 173340), (535, 151956), (540, 150549), (567, 143380), (603, 134820), (630, 129042), (642, 126630), (670, 121338), (749, 108540), (756, 107535), (804, 101115), (810, 100366), (938, 86670), (945, 86028), (963, 84420), (1005, 80892), (1070, 75978), (1134, 71690), (1206, 67410), (1260, 64521), (1284, 63315), (1340, 60669), (1407, 57780), (1498, 54270), (1605, 50652), (1620, 50183), (1809, 44940), (1876, 43335), (1890, 43014), (1926, 42210), (2010, 40446), (2140, 37989), (2247, 36180), (2268, 35845), (2345, 34668), (2412, 33705), (2814, 28890), (2835, 28676), (2889, 28140), (2996, 27135), (3015, 26964), (3210, 25326), (3618, 22470), (3745, 21708), (3780, 21507), (3852, 21105), (4020, 20223), (4221, 19260), (4494, 18090), (4690, 17334), (4815, 16884), (5427, 14980), (5628, 14445), (5670, 14338), (5778, 14070), (6030, 13482), (6420, 12663), (6741, 12060), (7035, 11556), (7169, 11340), (7236, 11235), (7490, 10854), (8442, 9630), (8667, 9380), (8988, 9045)]