39406920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1155

約数の個数: 128

約数和(自身を含む): 138378240

約数和(自身を除く): 98971320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1091, 1204, 1290, 1505, 1720, 1806, 2182, 2408, 2580, 3010, 3273, 3612, 4364, 4515, 5160, 5455, 6020, 6546, 7224, 7637, 8728, 9030, 10910, 12040, 13092, 15274, 16365, 18060, 21820, 22911, 26184, 30548, 32730, 36120, 38185, 43640, 45822, 46913, 61096, 65460, 76370, 91644, 93826, 114555, 130920, 140739, 152740, 183288, 187652, 229110, 234565, 281478, 305480, 328391, 375304, 458220, 469130, 562956, 656782, 703695, 916440, 938260, 985173, 1125912, 1313564, 1407390, 1641955, 1876520, 1970346, 2627128, 2814780, 3283910, 3940692, 4925865, 5629560, 6567820, 7881384, 9851730, 13135640, 19703460, 39406920]

約数ペア:

[(1, 39406920), (2, 19703460), (3, 13135640), (4, 9851730), (5, 7881384), (6, 6567820), (7, 5629560), (8, 4925865), (10, 3940692), (12, 3283910), (14, 2814780), (15, 2627128), (20, 1970346), (21, 1876520), (24, 1641955), (28, 1407390), (30, 1313564), (35, 1125912), (40, 985173), (42, 938260), (43, 916440), (56, 703695), (60, 656782), (70, 562956), (84, 469130), (86, 458220), (105, 375304), (120, 328391), (129, 305480), (140, 281478), (168, 234565), (172, 229110), (210, 187652), (215, 183288), (258, 152740), (280, 140739), (301, 130920), (344, 114555), (420, 93826), (430, 91644), (516, 76370), (602, 65460), (645, 61096), (840, 46913), (860, 45822), (903, 43640), (1032, 38185), (1091, 36120), (1204, 32730), (1290, 30548), (1505, 26184), (1720, 22911), (1806, 21820), (2182, 18060), (2408, 16365), (2580, 15274), (3010, 13092), (3273, 12040), (3612, 10910), (4364, 9030), (4515, 8728), (5160, 7637), (5455, 7224), (6020, 6546)]