81684120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2069}}^1$

素因数の和:2137

約数の個数: 128

約数和(自身を含む): 286156800

約数和(自身を除く): 204472680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2069, 2632, 2820, 3290, 3948, 4138, 4935, 5640, 6207, 6580, 7896, 8276, 9870, 10345, 12414, 13160, 14483, 16552, 19740, 20690, 24828, 28966, 31035, 39480, 41380, 43449, 49656, 57932, 62070, 72415, 82760, 86898, 97243, 115864, 124140, 144830, 173796, 194486, 217245, 248280, 289660, 291729, 347592, 388972, 434490, 486215, 579320, 583458, 680701, 777944, 868980, 972430, 1166916, 1361402, 1458645, 1737960, 1944860, 2042103, 2333832, 2722804, 2917290, 3403505, 3889720, 4084206, 5445608, 5834580, 6807010, 8168412, 10210515, 11669160, 13614020, 16336824, 20421030, 27228040, 40842060, 81684120]

約数ペア:

[(1, 81684120), (2, 40842060), (3, 27228040), (4, 20421030), (5, 16336824), (6, 13614020), (7, 11669160), (8, 10210515), (10, 8168412), (12, 6807010), (14, 5834580), (15, 5445608), (20, 4084206), (21, 3889720), (24, 3403505), (28, 2917290), (30, 2722804), (35, 2333832), (40, 2042103), (42, 1944860), (47, 1737960), (56, 1458645), (60, 1361402), (70, 1166916), (84, 972430), (94, 868980), (105, 777944), (120, 680701), (140, 583458), (141, 579320), (168, 486215), (188, 434490), (210, 388972), (235, 347592), (280, 291729), (282, 289660), (329, 248280), (376, 217245), (420, 194486), (470, 173796), (564, 144830), (658, 124140), (705, 115864), (840, 97243), (940, 86898), (987, 82760), (1128, 72415), (1316, 62070), (1410, 57932), (1645, 49656), (1880, 43449), (1974, 41380), (2069, 39480), (2632, 31035), (2820, 28966), (3290, 24828), (3948, 20690), (4138, 19740), (4935, 16552), (5640, 14483), (6207, 13160), (6580, 12414), (7896, 10345), (8276, 9870)]