78813840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1157

約数の個数: 160

約数和(自身を含む): 285981696

約数和(自身を除く): 207167856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 560, 602, 645, 688, 840, 860, 903, 1032, 1091, 1204, 1290, 1505, 1680, 1720, 1806, 2064, 2182, 2408, 2580, 3010, 3273, 3440, 3612, 4364, 4515, 4816, 5160, 5455, 6020, 6546, 7224, 7637, 8728, 9030, 10320, 10910, 12040, 13092, 14448, 15274, 16365, 17456, 18060, 21820, 22911, 24080, 26184, 30548, 32730, 36120, 38185, 43640, 45822, 46913, 52368, 61096, 65460, 72240, 76370, 87280, 91644, 93826, 114555, 122192, 130920, 140739, 152740, 183288, 187652, 229110, 234565, 261840, 281478, 305480, 328391, 366576, 375304, 458220, 469130, 562956, 610960, 656782, 703695, 750608, 916440, 938260, 985173, 1125912, 1313564, 1407390, 1641955, 1832880, 1876520, 1970346, 2251824, 2627128, 2814780, 3283910, 3753040, 3940692, 4925865, 5254256, 5629560, 6567820, 7881384, 9851730, 11259120, 13135640, 15762768, 19703460, 26271280, 39406920, 78813840]

約数ペア:

[(1, 78813840), (2, 39406920), (3, 26271280), (4, 19703460), (5, 15762768), (6, 13135640), (7, 11259120), (8, 9851730), (10, 7881384), (12, 6567820), (14, 5629560), (15, 5254256), (16, 4925865), (20, 3940692), (21, 3753040), (24, 3283910), (28, 2814780), (30, 2627128), (35, 2251824), (40, 1970346), (42, 1876520), (43, 1832880), (48, 1641955), (56, 1407390), (60, 1313564), (70, 1125912), (80, 985173), (84, 938260), (86, 916440), (105, 750608), (112, 703695), (120, 656782), (129, 610960), (140, 562956), (168, 469130), (172, 458220), (210, 375304), (215, 366576), (240, 328391), (258, 305480), (280, 281478), (301, 261840), (336, 234565), (344, 229110), (420, 187652), (430, 183288), (516, 152740), (560, 140739), (602, 130920), (645, 122192), (688, 114555), (840, 93826), (860, 91644), (903, 87280), (1032, 76370), (1091, 72240), (1204, 65460), (1290, 61096), (1505, 52368), (1680, 46913), (1720, 45822), (1806, 43640), (2064, 38185), (2182, 36120), (2408, 32730), (2580, 30548), (3010, 26184), (3273, 24080), (3440, 22911), (3612, 21820), (4364, 18060), (4515, 17456), (4816, 16365), (5160, 15274), (5455, 14448), (6020, 13092), (6546, 12040), (7224, 10910), (7637, 10320), (8728, 9030)]