1680747880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139597}}^1$

素因数の和:139658

約数の個数: 64

約数和(自身を含む): 4422464640

約数和(自身を除く): 2741716760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 139597, 279194, 558388, 697985, 977179, 1116776, 1395970, 1954358, 2791940, 3908716, 4885895, 5583880, 6002671, 7817432, 9771790, 12005342, 19543580, 24010684, 30013355, 39087160, 42018697, 48021368, 60026710, 84037394, 120053420, 168074788, 210093485, 240106840, 336149576, 420186970, 840373940, 1680747880]

約数ペア:

[(1, 1680747880), (2, 840373940), (4, 420186970), (5, 336149576), (7, 240106840), (8, 210093485), (10, 168074788), (14, 120053420), (20, 84037394), (28, 60026710), (35, 48021368), (40, 42018697), (43, 39087160), (56, 30013355), (70, 24010684), (86, 19543580), (140, 12005342), (172, 9771790), (215, 7817432), (280, 6002671), (301, 5583880), (344, 4885895), (430, 3908716), (602, 2791940), (860, 1954358), (1204, 1395970), (1505, 1116776), (1720, 977179), (2408, 697985), (3010, 558388), (6020, 279194), (12040, 139597)]