261789792

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:793

約数の個数: 144

約数和(自身を含む): 780788736

約数和(自身を除く): 518998944

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 66, 88, 93, 96, 121, 124, 132, 176, 186, 242, 248, 264, 341, 352, 363, 372, 484, 496, 528, 682, 726, 727, 744, 968, 992, 1023, 1056, 1364, 1452, 1454, 1488, 1936, 2046, 2181, 2728, 2904, 2908, 2976, 3751, 3872, 4092, 4362, 5456, 5808, 5816, 7502, 7997, 8184, 8724, 10912, 11253, 11616, 11632, 15004, 15994, 16368, 17448, 22506, 22537, 23264, 23991, 30008, 31988, 32736, 34896, 45012, 45074, 47982, 60016, 63976, 67611, 69792, 87967, 90024, 90148, 95964, 120032, 127952, 135222, 175934, 180048, 180296, 191928, 247907, 255904, 263901, 270444, 351868, 360096, 360592, 383856, 495814, 527802, 540888, 703736, 721184, 743721, 767712, 991628, 1055604, 1081776, 1407472, 1487442, 1983256, 2111208, 2163552, 2726977, 2814944, 2974884, 3966512, 4222416, 5453954, 5949768, 7933024, 8180931, 8444832, 10907908, 11899536, 16361862, 21815816, 23799072, 32723724, 43631632, 65447448, 87263264, 130894896, 261789792]

約数ペア:

[(1, 261789792), (2, 130894896), (3, 87263264), (4, 65447448), (6, 43631632), (8, 32723724), (11, 23799072), (12, 21815816), (16, 16361862), (22, 11899536), (24, 10907908), (31, 8444832), (32, 8180931), (33, 7933024), (44, 5949768), (48, 5453954), (62, 4222416), (66, 3966512), (88, 2974884), (93, 2814944), (96, 2726977), (121, 2163552), (124, 2111208), (132, 1983256), (176, 1487442), (186, 1407472), (242, 1081776), (248, 1055604), (264, 991628), (341, 767712), (352, 743721), (363, 721184), (372, 703736), (484, 540888), (496, 527802), (528, 495814), (682, 383856), (726, 360592), (727, 360096), (744, 351868), (968, 270444), (992, 263901), (1023, 255904), (1056, 247907), (1364, 191928), (1452, 180296), (1454, 180048), (1488, 175934), (1936, 135222), (2046, 127952), (2181, 120032), (2728, 95964), (2904, 90148), (2908, 90024), (2976, 87967), (3751, 69792), (3872, 67611), (4092, 63976), (4362, 60016), (5456, 47982), (5808, 45074), (5816, 45012), (7502, 34896), (7997, 32736), (8184, 31988), (8724, 30008), (10912, 23991), (11253, 23264), (11616, 22537), (11632, 22506), (15004, 17448), (15994, 16368)]