178427568

素因数分解:

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

素因数の和:1055

約数の個数: 120

約数和(自身を含む): 523522048

約数和(自身を除く): 345094480

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 121, 124, 132, 176, 186, 242, 248, 264, 341, 363, 372, 484, 496, 528, 682, 726, 744, 968, 991, 1023, 1364, 1452, 1488, 1936, 1982, 2046, 2728, 2904, 2973, 3751, 3964, 4092, 5456, 5808, 5946, 7502, 7928, 8184, 10901, 11253, 11892, 15004, 15856, 16368, 21802, 22506, 23784, 30008, 30721, 32703, 43604, 45012, 47568, 60016, 61442, 65406, 87208, 90024, 92163, 119911, 122884, 130812, 174416, 180048, 184326, 239822, 245768, 261624, 337931, 359733, 368652, 479644, 491536, 523248, 675862, 719466, 737304, 959288, 1013793, 1351724, 1438932, 1474608, 1918576, 2027586, 2703448, 2877864, 3717241, 4055172, 5406896, 5755728, 7434482, 8110344, 11151723, 14868964, 16220688, 22303446, 29737928, 44606892, 59475856, 89213784, 178427568]

約数ペア:

[(1, 178427568), (2, 89213784), (3, 59475856), (4, 44606892), (6, 29737928), (8, 22303446), (11, 16220688), (12, 14868964), (16, 11151723), (22, 8110344), (24, 7434482), (31, 5755728), (33, 5406896), (44, 4055172), (48, 3717241), (62, 2877864), (66, 2703448), (88, 2027586), (93, 1918576), (121, 1474608), (124, 1438932), (132, 1351724), (176, 1013793), (186, 959288), (242, 737304), (248, 719466), (264, 675862), (341, 523248), (363, 491536), (372, 479644), (484, 368652), (496, 359733), (528, 337931), (682, 261624), (726, 245768), (744, 239822), (968, 184326), (991, 180048), (1023, 174416), (1364, 130812), (1452, 122884), (1488, 119911), (1936, 92163), (1982, 90024), (2046, 87208), (2728, 65406), (2904, 61442), (2973, 60016), (3751, 47568), (3964, 45012), (4092, 43604), (5456, 32703), (5808, 30721), (5946, 30008), (7502, 23784), (7928, 22506), (8184, 21802), (10901, 16368), (11253, 15856), (11892, 15004)]