80504760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:661

約数の個数: 128

約数和(自身を含む): 277862400

約数和(自身を除く): 197357640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 401, 420, 478, 717, 802, 840, 956, 1195, 1203, 1434, 1604, 1673, 1912, 2005, 2390, 2406, 2807, 2868, 3208, 3346, 3585, 4010, 4780, 4812, 5019, 5614, 5736, 6015, 6692, 7170, 8020, 8365, 8421, 9560, 9624, 10038, 11228, 12030, 13384, 14035, 14340, 16040, 16730, 16842, 20076, 22456, 24060, 25095, 28070, 28680, 33460, 33684, 40152, 42105, 48120, 50190, 56140, 66920, 67368, 84210, 95839, 100380, 112280, 168420, 191678, 200760, 287517, 336840, 383356, 479195, 575034, 670873, 766712, 958390, 1150068, 1341746, 1437585, 1916780, 2012619, 2300136, 2683492, 2875170, 3354365, 3833560, 4025238, 5366984, 5750340, 6708730, 8050476, 10063095, 11500680, 13417460, 16100952, 20126190, 26834920, 40252380, 80504760]

約数ペア:

[(1, 80504760), (2, 40252380), (3, 26834920), (4, 20126190), (5, 16100952), (6, 13417460), (7, 11500680), (8, 10063095), (10, 8050476), (12, 6708730), (14, 5750340), (15, 5366984), (20, 4025238), (21, 3833560), (24, 3354365), (28, 2875170), (30, 2683492), (35, 2300136), (40, 2012619), (42, 1916780), (56, 1437585), (60, 1341746), (70, 1150068), (84, 958390), (105, 766712), (120, 670873), (140, 575034), (168, 479195), (210, 383356), (239, 336840), (280, 287517), (401, 200760), (420, 191678), (478, 168420), (717, 112280), (802, 100380), (840, 95839), (956, 84210), (1195, 67368), (1203, 66920), (1434, 56140), (1604, 50190), (1673, 48120), (1912, 42105), (2005, 40152), (2390, 33684), (2406, 33460), (2807, 28680), (2868, 28070), (3208, 25095), (3346, 24060), (3585, 22456), (4010, 20076), (4780, 16842), (4812, 16730), (5019, 16040), (5614, 14340), (5736, 14035), (6015, 13384), (6692, 12030), (7170, 11228), (8020, 10038), (8365, 9624), (8421, 9560)]