131678820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8039}}^1$

素因数の和:8074

約数の個数: 144

約数和(自身を含む): 491662080

約数和(自身を除く): 359983260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8039, 8190, 16078, 16380, 24117, 32156, 40195, 48234, 56273, 72351, 80390, 96468, 104507, 112546, 120585, 144702, 160780, 168819, 209014, 225092, 241170, 281365, 289404, 313521, 337638, 361755, 418028, 482340, 506457, 522535, 562730, 627042, 675276, 723510, 731549, 844095, 940563, 1012914, 1045070, 1125460, 1254084, 1447020, 1463098, 1567605, 1688190, 1881126, 2025828, 2090140, 2194647, 2532285, 2926196, 3135210, 3376380, 3657745, 3762252, 4389294, 4702815, 5064570, 6270420, 6583941, 7315490, 8778588, 9405630, 10129140, 10973235, 13167882, 14630980, 18811260, 21946470, 26335764, 32919705, 43892940, 65839410, 131678820]

約数ペア:

[(1, 131678820), (2, 65839410), (3, 43892940), (4, 32919705), (5, 26335764), (6, 21946470), (7, 18811260), (9, 14630980), (10, 13167882), (12, 10973235), (13, 10129140), (14, 9405630), (15, 8778588), (18, 7315490), (20, 6583941), (21, 6270420), (26, 5064570), (28, 4702815), (30, 4389294), (35, 3762252), (36, 3657745), (39, 3376380), (42, 3135210), (45, 2926196), (52, 2532285), (60, 2194647), (63, 2090140), (65, 2025828), (70, 1881126), (78, 1688190), (84, 1567605), (90, 1463098), (91, 1447020), (105, 1254084), (117, 1125460), (126, 1045070), (130, 1012914), (140, 940563), (156, 844095), (180, 731549), (182, 723510), (195, 675276), (210, 627042), (234, 562730), (252, 522535), (260, 506457), (273, 482340), (315, 418028), (364, 361755), (390, 337638), (420, 313521), (455, 289404), (468, 281365), (546, 241170), (585, 225092), (630, 209014), (780, 168819), (819, 160780), (910, 144702), (1092, 120585), (1170, 112546), (1260, 104507), (1365, 96468), (1638, 80390), (1820, 72351), (2340, 56273), (2730, 48234), (3276, 40195), (4095, 32156), (5460, 24117), (8039, 16380), (8190, 16078)]