55643720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 148832640

約数和(自身を除く): 93188920

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 43, 44, 55, 68, 85, 86, 88, 110, 136, 170, 172, 173, 187, 215, 220, 340, 344, 346, 374, 430, 440, 473, 680, 692, 731, 748, 860, 865, 935, 946, 1384, 1462, 1496, 1720, 1730, 1870, 1892, 1903, 2365, 2924, 2941, 3460, 3655, 3740, 3784, 3806, 4730, 5848, 5882, 6920, 7310, 7439, 7480, 7612, 8041, 9460, 9515, 11764, 14620, 14705, 14878, 15224, 16082, 18920, 19030, 23528, 29240, 29410, 29756, 32164, 32351, 37195, 38060, 40205, 58820, 59512, 64328, 64702, 74390, 76120, 80410, 81829, 117640, 126463, 129404, 148780, 160820, 161755, 163658, 252926, 258808, 297560, 321640, 323510, 327316, 409145, 505852, 632315, 647020, 654632, 818290, 1011704, 1264630, 1294040, 1391093, 1636580, 2529260, 2782186, 3273160, 5058520, 5564372, 6955465, 11128744, 13910930, 27821860, 55643720]

約数ペア:

[(1, 55643720), (2, 27821860), (4, 13910930), (5, 11128744), (8, 6955465), (10, 5564372), (11, 5058520), (17, 3273160), (20, 2782186), (22, 2529260), (34, 1636580), (40, 1391093), (43, 1294040), (44, 1264630), (55, 1011704), (68, 818290), (85, 654632), (86, 647020), (88, 632315), (110, 505852), (136, 409145), (170, 327316), (172, 323510), (173, 321640), (187, 297560), (215, 258808), (220, 252926), (340, 163658), (344, 161755), (346, 160820), (374, 148780), (430, 129404), (440, 126463), (473, 117640), (680, 81829), (692, 80410), (731, 76120), (748, 74390), (860, 64702), (865, 64328), (935, 59512), (946, 58820), (1384, 40205), (1462, 38060), (1496, 37195), (1720, 32351), (1730, 32164), (1870, 29756), (1892, 29410), (1903, 29240), (2365, 23528), (2924, 19030), (2941, 18920), (3460, 16082), (3655, 15224), (3740, 14878), (3784, 14705), (3806, 14620), (4730, 11764), (5848, 9515), (5882, 9460), (6920, 8041), (7310, 7612), (7439, 7480)]