248319540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{367}}^1$

素因数の和:571

約数の個数: 192

約数和(自身を含む): 890265600

約数和(自身を除く): 641946060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 179, 180, 189, 210, 252, 270, 315, 358, 367, 378, 420, 537, 540, 630, 716, 734, 756, 895, 945, 1074, 1101, 1253, 1260, 1468, 1611, 1790, 1835, 1890, 2148, 2202, 2506, 2569, 2685, 3222, 3303, 3580, 3670, 3759, 3780, 4404, 4833, 5012, 5138, 5370, 5505, 6265, 6444, 6606, 7340, 7518, 7707, 8055, 9666, 9909, 10276, 10740, 11010, 11277, 12530, 12845, 13212, 15036, 15414, 16110, 16515, 18795, 19332, 19818, 22020, 22554, 23121, 24165, 25060, 25690, 30828, 32220, 33030, 33831, 37590, 38535, 39636, 45108, 46242, 48330, 49545, 51380, 56385, 65693, 66060, 67662, 69363, 75180, 77070, 92484, 96660, 99090, 112770, 115605, 131386, 135324, 138726, 154140, 169155, 197079, 198180, 225540, 231210, 262772, 277452, 328465, 338310, 346815, 394158, 459851, 462420, 591237, 656930, 676620, 693630, 788316, 919702, 985395, 1182474, 1313860, 1379553, 1387260, 1773711, 1839404, 1970790, 2299255, 2364948, 2759106, 2956185, 3547422, 3941580, 4138659, 4598510, 5518212, 5912370, 6897765, 7094844, 8277318, 8868555, 9197020, 11824740, 12415977, 13795530, 16554636, 17737110, 20693295, 24831954, 27591060, 35474220, 41386590, 49663908, 62079885, 82773180, 124159770, 248319540]

約数ペア:

[(1, 248319540), (2, 124159770), (3, 82773180), (4, 62079885), (5, 49663908), (6, 41386590), (7, 35474220), (9, 27591060), (10, 24831954), (12, 20693295), (14, 17737110), (15, 16554636), (18, 13795530), (20, 12415977), (21, 11824740), (27, 9197020), (28, 8868555), (30, 8277318), (35, 7094844), (36, 6897765), (42, 5912370), (45, 5518212), (54, 4598510), (60, 4138659), (63, 3941580), (70, 3547422), (84, 2956185), (90, 2759106), (105, 2364948), (108, 2299255), (126, 1970790), (135, 1839404), (140, 1773711), (179, 1387260), (180, 1379553), (189, 1313860), (210, 1182474), (252, 985395), (270, 919702), (315, 788316), (358, 693630), (367, 676620), (378, 656930), (420, 591237), (537, 462420), (540, 459851), (630, 394158), (716, 346815), (734, 338310), (756, 328465), (895, 277452), (945, 262772), (1074, 231210), (1101, 225540), (1253, 198180), (1260, 197079), (1468, 169155), (1611, 154140), (1790, 138726), (1835, 135324), (1890, 131386), (2148, 115605), (2202, 112770), (2506, 99090), (2569, 96660), (2685, 92484), (3222, 77070), (3303, 75180), (3580, 69363), (3670, 67662), (3759, 66060), (3780, 65693), (4404, 56385), (4833, 51380), (5012, 49545), (5138, 48330), (5370, 46242), (5505, 45108), (6265, 39636), (6444, 38535), (6606, 37590), (7340, 33831), (7518, 33030), (7707, 32220), (8055, 30828), (9666, 25690), (9909, 25060), (10276, 24165), (10740, 23121), (11010, 22554), (11277, 22020), (12530, 19818), (12845, 19332), (13212, 18795), (15036, 16515), (15414, 16110)]