127978040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{67}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 315388080

約数和(自身を除く): 187410040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 67, 68, 85, 106, 134, 136, 170, 212, 265, 268, 335, 340, 424, 530, 536, 670, 680, 901, 1060, 1139, 1340, 1802, 2120, 2278, 2680, 2809, 3551, 3604, 4505, 4556, 5618, 5695, 7102, 7208, 9010, 9112, 11236, 11390, 14045, 14204, 17755, 18020, 22472, 22780, 28090, 28408, 35510, 36040, 45560, 47753, 56180, 60367, 71020, 95506, 112360, 120734, 142040, 188203, 191012, 238765, 241468, 301835, 376406, 382024, 477530, 482936, 603670, 752812, 941015, 955060, 1207340, 1505624, 1882030, 1910120, 2414680, 3199451, 3764060, 6398902, 7528120, 12797804, 15997255, 25595608, 31994510, 63989020, 127978040]

約数ペア:

[(1, 127978040), (2, 63989020), (4, 31994510), (5, 25595608), (8, 15997255), (10, 12797804), (17, 7528120), (20, 6398902), (34, 3764060), (40, 3199451), (53, 2414680), (67, 1910120), (68, 1882030), (85, 1505624), (106, 1207340), (134, 955060), (136, 941015), (170, 752812), (212, 603670), (265, 482936), (268, 477530), (335, 382024), (340, 376406), (424, 301835), (530, 241468), (536, 238765), (670, 191012), (680, 188203), (901, 142040), (1060, 120734), (1139, 112360), (1340, 95506), (1802, 71020), (2120, 60367), (2278, 56180), (2680, 47753), (2809, 45560), (3551, 36040), (3604, 35510), (4505, 28408), (4556, 28090), (5618, 22780), (5695, 22472), (7102, 18020), (7208, 17755), (9010, 14204), (9112, 14045), (11236, 11390)]