80489640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 256

約数和(自身を含む): 311869440

約数和(自身を除く): 231379800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 55, 56, 60, 62, 66, 70, 77, 84, 88, 93, 105, 110, 120, 124, 132, 140, 154, 155, 165, 168, 186, 210, 217, 220, 231, 248, 264, 280, 281, 308, 310, 330, 341, 372, 385, 420, 434, 440, 462, 465, 562, 616, 620, 651, 660, 682, 744, 770, 840, 843, 868, 924, 930, 1023, 1085, 1124, 1155, 1240, 1302, 1320, 1364, 1405, 1540, 1686, 1705, 1736, 1848, 1860, 1967, 2046, 2170, 2248, 2310, 2387, 2604, 2728, 2810, 3080, 3091, 3255, 3372, 3410, 3720, 3934, 4092, 4215, 4340, 4620, 4774, 5115, 5208, 5620, 5901, 6182, 6510, 6744, 6820, 7161, 7868, 8184, 8430, 8680, 8711, 9240, 9273, 9548, 9835, 10230, 11240, 11802, 11935, 12364, 13020, 13640, 14322, 15455, 15736, 16860, 17422, 18546, 19096, 19670, 20460, 21637, 23604, 23870, 24728, 26040, 26133, 28644, 29505, 30910, 33720, 34844, 35805, 37092, 39340, 40920, 43274, 43555, 46365, 47208, 47740, 52266, 57288, 59010, 60977, 61820, 64911, 69688, 71610, 74184, 78680, 86548, 87110, 92730, 95480, 95821, 104532, 108185, 118020, 121954, 123640, 129822, 130665, 143220, 173096, 174220, 182931, 185460, 191642, 209064, 216370, 236040, 243908, 259644, 261330, 286440, 287463, 304885, 324555, 348440, 365862, 370920, 383284, 432740, 479105, 487816, 519288, 522660, 574926, 609770, 649110, 670747, 731724, 766568, 865480, 914655, 958210, 1045320, 1149852, 1219540, 1298220, 1341494, 1437315, 1463448, 1829310, 1916420, 2012241, 2299704, 2439080, 2596440, 2682988, 2874630, 3353735, 3658620, 3832840, 4024482, 5365976, 5749260, 6707470, 7317240, 8048964, 10061205, 11498520, 13414940, 16097928, 20122410, 26829880, 40244820, 80489640]

約数ペア:

[(1, 80489640), (2, 40244820), (3, 26829880), (4, 20122410), (5, 16097928), (6, 13414940), (7, 11498520), (8, 10061205), (10, 8048964), (11, 7317240), (12, 6707470), (14, 5749260), (15, 5365976), (20, 4024482), (21, 3832840), (22, 3658620), (24, 3353735), (28, 2874630), (30, 2682988), (31, 2596440), (33, 2439080), (35, 2299704), (40, 2012241), (42, 1916420), (44, 1829310), (55, 1463448), (56, 1437315), (60, 1341494), (62, 1298220), (66, 1219540), (70, 1149852), (77, 1045320), (84, 958210), (88, 914655), (93, 865480), (105, 766568), (110, 731724), (120, 670747), (124, 649110), (132, 609770), (140, 574926), (154, 522660), (155, 519288), (165, 487816), (168, 479105), (186, 432740), (210, 383284), (217, 370920), (220, 365862), (231, 348440), (248, 324555), (264, 304885), (280, 287463), (281, 286440), (308, 261330), (310, 259644), (330, 243908), (341, 236040), (372, 216370), (385, 209064), (420, 191642), (434, 185460), (440, 182931), (462, 174220), (465, 173096), (562, 143220), (616, 130665), (620, 129822), (651, 123640), (660, 121954), (682, 118020), (744, 108185), (770, 104532), (840, 95821), (843, 95480), (868, 92730), (924, 87110), (930, 86548), (1023, 78680), (1085, 74184), (1124, 71610), (1155, 69688), (1240, 64911), (1302, 61820), (1320, 60977), (1364, 59010), (1405, 57288), (1540, 52266), (1686, 47740), (1705, 47208), (1736, 46365), (1848, 43555), (1860, 43274), (1967, 40920), (2046, 39340), (2170, 37092), (2248, 35805), (2310, 34844), (2387, 33720), (2604, 30910), (2728, 29505), (2810, 28644), (3080, 26133), (3091, 26040), (3255, 24728), (3372, 23870), (3410, 23604), (3720, 21637), (3934, 20460), (4092, 19670), (4215, 19096), (4340, 18546), (4620, 17422), (4774, 16860), (5115, 15736), (5208, 15455), (5620, 14322), (5901, 13640), (6182, 13020), (6510, 12364), (6744, 11935), (6820, 11802), (7161, 11240), (7868, 10230), (8184, 9835), (8430, 9548), (8680, 9273), (8711, 9240)]