127947540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{317}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 424400256

約数和(自身を除く): 296452716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 317, 372, 420, 434, 465, 620, 634, 651, 868, 930, 951, 961, 1085, 1268, 1302, 1585, 1860, 1902, 1922, 2170, 2219, 2604, 2883, 3170, 3255, 3804, 3844, 4340, 4438, 4755, 4805, 5766, 6340, 6510, 6657, 6727, 8876, 9510, 9610, 9827, 11095, 11532, 13020, 13314, 13454, 14415, 19020, 19220, 19654, 20181, 22190, 26628, 26908, 28830, 29481, 33285, 33635, 39308, 40362, 44380, 49135, 57660, 58962, 66570, 67270, 68789, 80724, 98270, 100905, 117924, 133140, 134540, 137578, 147405, 196540, 201810, 206367, 275156, 294810, 304637, 343945, 403620, 412734, 589620, 609274, 687890, 825468, 913911, 1031835, 1218548, 1375780, 1523185, 1827822, 2063670, 2132459, 3046370, 3655644, 4127340, 4264918, 4569555, 6092740, 6397377, 8529836, 9139110, 10662295, 12794754, 18278220, 21324590, 25589508, 31986885, 42649180, 63973770, 127947540]

約数ペア:

[(1, 127947540), (2, 63973770), (3, 42649180), (4, 31986885), (5, 25589508), (6, 21324590), (7, 18278220), (10, 12794754), (12, 10662295), (14, 9139110), (15, 8529836), (20, 6397377), (21, 6092740), (28, 4569555), (30, 4264918), (31, 4127340), (35, 3655644), (42, 3046370), (60, 2132459), (62, 2063670), (70, 1827822), (84, 1523185), (93, 1375780), (105, 1218548), (124, 1031835), (140, 913911), (155, 825468), (186, 687890), (210, 609274), (217, 589620), (310, 412734), (317, 403620), (372, 343945), (420, 304637), (434, 294810), (465, 275156), (620, 206367), (634, 201810), (651, 196540), (868, 147405), (930, 137578), (951, 134540), (961, 133140), (1085, 117924), (1268, 100905), (1302, 98270), (1585, 80724), (1860, 68789), (1902, 67270), (1922, 66570), (2170, 58962), (2219, 57660), (2604, 49135), (2883, 44380), (3170, 40362), (3255, 39308), (3804, 33635), (3844, 33285), (4340, 29481), (4438, 28830), (4755, 26908), (4805, 26628), (5766, 22190), (6340, 20181), (6510, 19654), (6657, 19220), (6727, 19020), (8876, 14415), (9510, 13454), (9610, 13314), (9827, 13020), (11095, 11532)]