1981762020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1093}}^1\times {\mathrm{1439}}^1$

素因数の和:2554

約数の個数: 144

約数和(自身を含む): 6881172480

約数和(自身を除く): 4899410460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1093, 1260, 1439, 2186, 2878, 3279, 4317, 4372, 5465, 5756, 6558, 7195, 7651, 8634, 9837, 10073, 10930, 12951, 13116, 14390, 15302, 16395, 17268, 19674, 20146, 21585, 21860, 22953, 25902, 28780, 30219, 30604, 32790, 38255, 39348, 40292, 43170, 45906, 49185, 50365, 51804, 60438, 64755, 65580, 68859, 76510, 86340, 90657, 91812, 98370, 100730, 114765, 120876, 129510, 137718, 151095, 153020, 181314, 196740, 201460, 229530, 259020, 275436, 302190, 344295, 362628, 453285, 459060, 604380, 688590, 906570, 1377180, 1572827, 1813140, 3145654, 4718481, 6291308, 7864135, 9436962, 11009789, 14155443, 15728270, 18873924, 22019578, 23592405, 28310886, 31456540, 33029367, 44039156, 47184810, 55048945, 56621772, 66058734, 70777215, 94369620, 99088101, 110097890, 132117468, 141554430, 165146835, 198176202, 220195780, 283108860, 330293670, 396352404, 495440505, 660587340, 990881010, 1981762020]

約数ペア:

[(1, 1981762020), (2, 990881010), (3, 660587340), (4, 495440505), (5, 396352404), (6, 330293670), (7, 283108860), (9, 220195780), (10, 198176202), (12, 165146835), (14, 141554430), (15, 132117468), (18, 110097890), (20, 99088101), (21, 94369620), (28, 70777215), (30, 66058734), (35, 56621772), (36, 55048945), (42, 47184810), (45, 44039156), (60, 33029367), (63, 31456540), (70, 28310886), (84, 23592405), (90, 22019578), (105, 18873924), (126, 15728270), (140, 14155443), (180, 11009789), (210, 9436962), (252, 7864135), (315, 6291308), (420, 4718481), (630, 3145654), (1093, 1813140), (1260, 1572827), (1439, 1377180), (2186, 906570), (2878, 688590), (3279, 604380), (4317, 459060), (4372, 453285), (5465, 362628), (5756, 344295), (6558, 302190), (7195, 275436), (7651, 259020), (8634, 229530), (9837, 201460), (10073, 196740), (10930, 181314), (12951, 153020), (13116, 151095), (14390, 137718), (15302, 129510), (16395, 120876), (17268, 114765), (19674, 100730), (20146, 98370), (21585, 91812), (21860, 90657), (22953, 86340), (25902, 76510), (28780, 68859), (30219, 65580), (30604, 64755), (32790, 60438), (38255, 51804), (39348, 50365), (40292, 49185), (43170, 45906)]