191968120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 477757440

約数和(自身を除く): 285789320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 53, 62, 92, 106, 115, 124, 127, 155, 184, 212, 230, 248, 254, 265, 310, 424, 460, 508, 530, 620, 635, 713, 920, 1016, 1060, 1219, 1240, 1270, 1426, 1643, 2120, 2438, 2540, 2852, 2921, 3286, 3565, 3937, 4876, 5080, 5704, 5842, 6095, 6572, 6731, 7130, 7874, 8215, 9752, 11684, 12190, 13144, 13462, 14260, 14605, 15748, 16430, 19685, 23368, 24380, 26924, 28520, 29210, 31496, 32860, 33655, 37789, 39370, 48760, 53848, 58420, 65720, 67310, 75578, 78740, 90551, 116840, 134620, 151156, 154813, 157480, 181102, 188945, 208661, 269240, 302312, 309626, 362204, 377890, 417322, 452755, 619252, 724408, 755780, 774065, 834644, 905510, 1043305, 1238504, 1511560, 1548130, 1669288, 1811020, 2086610, 3096260, 3622040, 4173220, 4799203, 6192520, 8346440, 9598406, 19196812, 23996015, 38393624, 47992030, 95984060, 191968120]

約数ペア:

[(1, 191968120), (2, 95984060), (4, 47992030), (5, 38393624), (8, 23996015), (10, 19196812), (20, 9598406), (23, 8346440), (31, 6192520), (40, 4799203), (46, 4173220), (53, 3622040), (62, 3096260), (92, 2086610), (106, 1811020), (115, 1669288), (124, 1548130), (127, 1511560), (155, 1238504), (184, 1043305), (212, 905510), (230, 834644), (248, 774065), (254, 755780), (265, 724408), (310, 619252), (424, 452755), (460, 417322), (508, 377890), (530, 362204), (620, 309626), (635, 302312), (713, 269240), (920, 208661), (1016, 188945), (1060, 181102), (1219, 157480), (1240, 154813), (1270, 151156), (1426, 134620), (1643, 116840), (2120, 90551), (2438, 78740), (2540, 75578), (2852, 67310), (2921, 65720), (3286, 58420), (3565, 53848), (3937, 48760), (4876, 39370), (5080, 37789), (5704, 33655), (5842, 32860), (6095, 31496), (6572, 29210), (6731, 28520), (7130, 26924), (7874, 24380), (8215, 23368), (9752, 19685), (11684, 16430), (12190, 15748), (13144, 14605), (13462, 14260)]