80542440

素因数分解:

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

素因数の和:125

約数の個数: 216

約数和(自身を含む): 294569730

約数和(自身を除く): 214027290

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 43, 44, 45, 55, 60, 66, 72, 86, 88, 90, 99, 110, 120, 121, 129, 132, 165, 172, 180, 198, 215, 220, 242, 258, 264, 330, 344, 360, 363, 387, 396, 430, 440, 473, 484, 495, 516, 605, 645, 660, 726, 774, 792, 860, 946, 968, 990, 1032, 1089, 1210, 1290, 1320, 1419, 1452, 1548, 1720, 1815, 1849, 1892, 1935, 1980, 2178, 2365, 2420, 2580, 2838, 2904, 3096, 3630, 3698, 3784, 3870, 3960, 4257, 4356, 4730, 4840, 5160, 5203, 5445, 5547, 5676, 7095, 7260, 7396, 7740, 8514, 8712, 9245, 9460, 10406, 10890, 11094, 11352, 14190, 14520, 14792, 15480, 15609, 16641, 17028, 18490, 18920, 20339, 20812, 21285, 21780, 22188, 26015, 27735, 28380, 31218, 33282, 34056, 36980, 40678, 41624, 42570, 43560, 44376, 46827, 52030, 55470, 56760, 61017, 62436, 66564, 73960, 78045, 81356, 83205, 85140, 93654, 101695, 104060, 110940, 122034, 124872, 133128, 156090, 162712, 166410, 170280, 183051, 187308, 203390, 208120, 221880, 223729, 234135, 244068, 305085, 312180, 332820, 366102, 374616, 406780, 447458, 468270, 488136, 610170, 624360, 665640, 671187, 732204, 813560, 894916, 915255, 936540, 1118645, 1220340, 1342374, 1464408, 1789832, 1830510, 1873080, 2013561, 2237290, 2440680, 2684748, 3355935, 3661020, 4027122, 4474580, 5369496, 6711870, 7322040, 8054244, 8949160, 10067805, 13423740, 16108488, 20135610, 26847480, 40271220, 80542440]

約数ペア:

[(1, 80542440), (2, 40271220), (3, 26847480), (4, 20135610), (5, 16108488), (6, 13423740), (8, 10067805), (9, 8949160), (10, 8054244), (11, 7322040), (12, 6711870), (15, 5369496), (18, 4474580), (20, 4027122), (22, 3661020), (24, 3355935), (30, 2684748), (33, 2440680), (36, 2237290), (40, 2013561), (43, 1873080), (44, 1830510), (45, 1789832), (55, 1464408), (60, 1342374), (66, 1220340), (72, 1118645), (86, 936540), (88, 915255), (90, 894916), (99, 813560), (110, 732204), (120, 671187), (121, 665640), (129, 624360), (132, 610170), (165, 488136), (172, 468270), (180, 447458), (198, 406780), (215, 374616), (220, 366102), (242, 332820), (258, 312180), (264, 305085), (330, 244068), (344, 234135), (360, 223729), (363, 221880), (387, 208120), (396, 203390), (430, 187308), (440, 183051), (473, 170280), (484, 166410), (495, 162712), (516, 156090), (605, 133128), (645, 124872), (660, 122034), (726, 110940), (774, 104060), (792, 101695), (860, 93654), (946, 85140), (968, 83205), (990, 81356), (1032, 78045), (1089, 73960), (1210, 66564), (1290, 62436), (1320, 61017), (1419, 56760), (1452, 55470), (1548, 52030), (1720, 46827), (1815, 44376), (1849, 43560), (1892, 42570), (1935, 41624), (1980, 40678), (2178, 36980), (2365, 34056), (2420, 33282), (2580, 31218), (2838, 28380), (2904, 27735), (3096, 26015), (3630, 22188), (3698, 21780), (3784, 21285), (3870, 20812), (3960, 20339), (4257, 18920), (4356, 18490), (4730, 17028), (4840, 16641), (5160, 15609), (5203, 15480), (5445, 14792), (5547, 14520), (5676, 14190), (7095, 11352), (7260, 11094), (7396, 10890), (7740, 10406), (8514, 9460), (8712, 9245)]