80455060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1549}}^1$

素因数の和:1625

約数の個数: 72

約数和(自身を含む): 200377800

約数和(自身を除く): 119922740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1549, 1855, 2597, 3098, 3710, 5194, 6196, 7420, 7745, 10388, 10843, 12985, 15490, 21686, 25970, 30980, 43372, 51940, 54215, 75901, 82097, 108430, 151802, 164194, 216860, 303604, 328388, 379505, 410485, 574679, 759010, 820970, 1149358, 1518020, 1641940, 2298716, 2873395, 4022753, 5746790, 8045506, 11493580, 16091012, 20113765, 40227530, 80455060]

約数ペア:

[(1, 80455060), (2, 40227530), (4, 20113765), (5, 16091012), (7, 11493580), (10, 8045506), (14, 5746790), (20, 4022753), (28, 2873395), (35, 2298716), (49, 1641940), (53, 1518020), (70, 1149358), (98, 820970), (106, 759010), (140, 574679), (196, 410485), (212, 379505), (245, 328388), (265, 303604), (371, 216860), (490, 164194), (530, 151802), (742, 108430), (980, 82097), (1060, 75901), (1484, 54215), (1549, 51940), (1855, 43372), (2597, 30980), (3098, 25970), (3710, 21686), (5194, 15490), (6196, 12985), (7420, 10843), (7745, 10388)]