77880320

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 176

約数和(自身を含む): 222844608

約数和(自身を除く): 144964288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 53, 56, 64, 70, 80, 82, 106, 112, 128, 140, 160, 164, 205, 212, 224, 256, 265, 280, 287, 320, 328, 371, 410, 424, 448, 512, 530, 560, 574, 640, 656, 742, 820, 848, 896, 1024, 1060, 1120, 1148, 1280, 1312, 1435, 1484, 1640, 1696, 1792, 1855, 2120, 2173, 2240, 2296, 2560, 2624, 2870, 2968, 3280, 3392, 3584, 3710, 4240, 4346, 4480, 4592, 5120, 5248, 5740, 5936, 6560, 6784, 7168, 7420, 8480, 8692, 8960, 9184, 10496, 10865, 11480, 11872, 13120, 13568, 14840, 15211, 16960, 17384, 17920, 18368, 20992, 21730, 22960, 23744, 26240, 27136, 29680, 30422, 33920, 34768, 35840, 36736, 41984, 43460, 45920, 47488, 52480, 54272, 59360, 60844, 67840, 69536, 73472, 76055, 86920, 91840, 94976, 104960, 118720, 121688, 135680, 139072, 146944, 152110, 173840, 183680, 189952, 209920, 237440, 243376, 271360, 278144, 293888, 304220, 347680, 367360, 379904, 474880, 486752, 556288, 608440, 695360, 734720, 949760, 973504, 1112576, 1216880, 1390720, 1469440, 1899520, 1947008, 2225152, 2433760, 2781440, 3894016, 4867520, 5562880, 7788032, 9735040, 11125760, 15576064, 19470080, 38940160, 77880320]

約数ペア:

[(1, 77880320), (2, 38940160), (4, 19470080), (5, 15576064), (7, 11125760), (8, 9735040), (10, 7788032), (14, 5562880), (16, 4867520), (20, 3894016), (28, 2781440), (32, 2433760), (35, 2225152), (40, 1947008), (41, 1899520), (53, 1469440), (56, 1390720), (64, 1216880), (70, 1112576), (80, 973504), (82, 949760), (106, 734720), (112, 695360), (128, 608440), (140, 556288), (160, 486752), (164, 474880), (205, 379904), (212, 367360), (224, 347680), (256, 304220), (265, 293888), (280, 278144), (287, 271360), (320, 243376), (328, 237440), (371, 209920), (410, 189952), (424, 183680), (448, 173840), (512, 152110), (530, 146944), (560, 139072), (574, 135680), (640, 121688), (656, 118720), (742, 104960), (820, 94976), (848, 91840), (896, 86920), (1024, 76055), (1060, 73472), (1120, 69536), (1148, 67840), (1280, 60844), (1312, 59360), (1435, 54272), (1484, 52480), (1640, 47488), (1696, 45920), (1792, 43460), (1855, 41984), (2120, 36736), (2173, 35840), (2240, 34768), (2296, 33920), (2560, 30422), (2624, 29680), (2870, 27136), (2968, 26240), (3280, 23744), (3392, 22960), (3584, 21730), (3710, 20992), (4240, 18368), (4346, 17920), (4480, 17384), (4592, 16960), (5120, 15211), (5248, 14840), (5740, 13568), (5936, 13120), (6560, 11872), (6784, 11480), (7168, 10865), (7420, 10496), (8480, 9184), (8692, 8960)]