81103440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 160

約数和(自身を含む): 283410432

約数和(自身を除く): 202306992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 372, 440, 465, 496, 528, 620, 660, 682, 744, 880, 930, 991, 1023, 1240, 1320, 1364, 1488, 1705, 1860, 1982, 2046, 2480, 2640, 2728, 2973, 3410, 3720, 3964, 4092, 4955, 5115, 5456, 5946, 6820, 7440, 7928, 8184, 9910, 10230, 10901, 11892, 13640, 14865, 15856, 16368, 19820, 20460, 21802, 23784, 27280, 29730, 30721, 32703, 39640, 40920, 43604, 47568, 54505, 59460, 61442, 65406, 79280, 81840, 87208, 92163, 109010, 118920, 122884, 130812, 153605, 163515, 174416, 184326, 218020, 237840, 245768, 261624, 307210, 327030, 337931, 368652, 436040, 460815, 491536, 523248, 614420, 654060, 675862, 737304, 872080, 921630, 1013793, 1228840, 1308120, 1351724, 1474608, 1689655, 1843260, 2027586, 2457680, 2616240, 2703448, 3379310, 3686520, 4055172, 5068965, 5406896, 6758620, 7373040, 8110344, 10137930, 13517240, 16220688, 20275860, 27034480, 40551720, 81103440]

約数ペア:

[(1, 81103440), (2, 40551720), (3, 27034480), (4, 20275860), (5, 16220688), (6, 13517240), (8, 10137930), (10, 8110344), (11, 7373040), (12, 6758620), (15, 5406896), (16, 5068965), (20, 4055172), (22, 3686520), (24, 3379310), (30, 2703448), (31, 2616240), (33, 2457680), (40, 2027586), (44, 1843260), (48, 1689655), (55, 1474608), (60, 1351724), (62, 1308120), (66, 1228840), (80, 1013793), (88, 921630), (93, 872080), (110, 737304), (120, 675862), (124, 654060), (132, 614420), (155, 523248), (165, 491536), (176, 460815), (186, 436040), (220, 368652), (240, 337931), (248, 327030), (264, 307210), (310, 261624), (330, 245768), (341, 237840), (372, 218020), (440, 184326), (465, 174416), (496, 163515), (528, 153605), (620, 130812), (660, 122884), (682, 118920), (744, 109010), (880, 92163), (930, 87208), (991, 81840), (1023, 79280), (1240, 65406), (1320, 61442), (1364, 59460), (1488, 54505), (1705, 47568), (1860, 43604), (1982, 40920), (2046, 39640), (2480, 32703), (2640, 30721), (2728, 29730), (2973, 27280), (3410, 23784), (3720, 21802), (3964, 20460), (4092, 19820), (4955, 16368), (5115, 15856), (5456, 14865), (5946, 13640), (6820, 11892), (7440, 10901), (7928, 10230), (8184, 9910)]