153947240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 387763200

約数和(自身を除く): 233815960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 67, 68, 85, 109, 124, 134, 136, 155, 170, 218, 248, 268, 310, 335, 340, 436, 527, 536, 545, 620, 670, 680, 872, 1054, 1090, 1139, 1240, 1340, 1853, 2077, 2108, 2180, 2278, 2635, 2680, 3379, 3706, 4154, 4216, 4360, 4556, 5270, 5695, 6758, 7303, 7412, 8308, 9112, 9265, 10385, 10540, 11390, 13516, 14606, 14824, 16616, 16895, 18530, 20770, 21080, 22780, 27032, 29212, 33790, 35309, 36515, 37060, 41540, 45560, 57443, 58424, 67580, 70618, 73030, 74120, 83080, 114886, 124151, 135160, 141236, 146060, 176545, 226393, 229772, 248302, 282472, 287215, 292120, 353090, 452786, 459544, 496604, 574430, 620755, 706180, 905572, 993208, 1131965, 1148860, 1241510, 1412360, 1811144, 2263930, 2297720, 2483020, 3848681, 4527860, 4966040, 7697362, 9055720, 15394724, 19243405, 30789448, 38486810, 76973620, 153947240]

約数ペア:

[(1, 153947240), (2, 76973620), (4, 38486810), (5, 30789448), (8, 19243405), (10, 15394724), (17, 9055720), (20, 7697362), (31, 4966040), (34, 4527860), (40, 3848681), (62, 2483020), (67, 2297720), (68, 2263930), (85, 1811144), (109, 1412360), (124, 1241510), (134, 1148860), (136, 1131965), (155, 993208), (170, 905572), (218, 706180), (248, 620755), (268, 574430), (310, 496604), (335, 459544), (340, 452786), (436, 353090), (527, 292120), (536, 287215), (545, 282472), (620, 248302), (670, 229772), (680, 226393), (872, 176545), (1054, 146060), (1090, 141236), (1139, 135160), (1240, 124151), (1340, 114886), (1853, 83080), (2077, 74120), (2108, 73030), (2180, 70618), (2278, 67580), (2635, 58424), (2680, 57443), (3379, 45560), (3706, 41540), (4154, 37060), (4216, 36515), (4360, 35309), (4556, 33790), (5270, 29212), (5695, 27032), (6758, 22780), (7303, 21080), (7412, 20770), (8308, 18530), (9112, 16895), (9265, 16616), (10385, 14824), (10540, 14606), (11390, 13516)]