84986580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 280155456

約数和(自身を除く): 195168876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 137, 140, 147, 196, 210, 211, 245, 274, 294, 411, 420, 422, 490, 548, 588, 633, 685, 735, 822, 844, 959, 980, 1055, 1266, 1370, 1470, 1477, 1644, 1918, 2055, 2110, 2532, 2740, 2877, 2940, 2954, 3165, 3836, 4110, 4220, 4431, 4795, 5754, 5908, 6330, 6713, 7385, 8220, 8862, 9590, 10339, 11508, 12660, 13426, 14385, 14770, 17724, 19180, 20139, 20678, 22155, 26852, 28770, 28907, 29540, 31017, 33565, 40278, 41356, 44310, 51695, 57540, 57814, 62034, 67130, 80556, 86721, 88620, 100695, 103390, 115628, 124068, 134260, 144535, 155085, 173442, 201390, 202349, 206780, 289070, 310170, 346884, 402780, 404698, 433605, 578140, 607047, 620340, 809396, 867210, 1011745, 1214094, 1416443, 1734420, 2023490, 2428188, 2832886, 3035235, 4046980, 4249329, 5665772, 6070470, 7082215, 8498658, 12140940, 14164430, 16997316, 21246645, 28328860, 42493290, 84986580]

約数ペア:

[(1, 84986580), (2, 42493290), (3, 28328860), (4, 21246645), (5, 16997316), (6, 14164430), (7, 12140940), (10, 8498658), (12, 7082215), (14, 6070470), (15, 5665772), (20, 4249329), (21, 4046980), (28, 3035235), (30, 2832886), (35, 2428188), (42, 2023490), (49, 1734420), (60, 1416443), (70, 1214094), (84, 1011745), (98, 867210), (105, 809396), (137, 620340), (140, 607047), (147, 578140), (196, 433605), (210, 404698), (211, 402780), (245, 346884), (274, 310170), (294, 289070), (411, 206780), (420, 202349), (422, 201390), (490, 173442), (548, 155085), (588, 144535), (633, 134260), (685, 124068), (735, 115628), (822, 103390), (844, 100695), (959, 88620), (980, 86721), (1055, 80556), (1266, 67130), (1370, 62034), (1470, 57814), (1477, 57540), (1644, 51695), (1918, 44310), (2055, 41356), (2110, 40278), (2532, 33565), (2740, 31017), (2877, 29540), (2940, 28907), (2954, 28770), (3165, 26852), (3836, 22155), (4110, 20678), (4220, 20139), (4431, 19180), (4795, 17724), (5754, 14770), (5908, 14385), (6330, 13426), (6713, 12660), (7385, 11508), (8220, 10339), (8862, 9590)]