310277520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{20521}}^1$

素因数の和:20550

約数の個数: 160

約数和(自身を含む): 1221469440

約数和(自身を除く): 911191920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 20521, 41042, 61563, 82084, 102605, 123126, 143647, 164168, 184689, 205210, 246252, 287294, 307815, 328336, 369378, 410420, 430941, 492504, 554067, 574588, 615630, 718235, 738756, 820840, 861882, 923445, 985008, 1108134, 1149176, 1231260, 1292823, 1436470, 1477512, 1641680, 1723764, 1846890, 2154705, 2216268, 2298352, 2462520, 2585646, 2770335, 2872940, 2955024, 3447528, 3693780, 3878469, 4309410, 4432536, 4925040, 5171292, 5540670, 5745880, 6464115, 6895056, 7387560, 7756938, 8618820, 8865072, 10342584, 11081340, 11491760, 12928230, 14775120, 15513876, 17237640, 19392345, 20685168, 22162680, 25856460, 31027752, 34475280, 38784690, 44325360, 51712920, 62055504, 77569380, 103425840, 155138760, 310277520]

約数ペア:

[(1, 310277520), (2, 155138760), (3, 103425840), (4, 77569380), (5, 62055504), (6, 51712920), (7, 44325360), (8, 38784690), (9, 34475280), (10, 31027752), (12, 25856460), (14, 22162680), (15, 20685168), (16, 19392345), (18, 17237640), (20, 15513876), (21, 14775120), (24, 12928230), (27, 11491760), (28, 11081340), (30, 10342584), (35, 8865072), (36, 8618820), (40, 7756938), (42, 7387560), (45, 6895056), (48, 6464115), (54, 5745880), (56, 5540670), (60, 5171292), (63, 4925040), (70, 4432536), (72, 4309410), (80, 3878469), (84, 3693780), (90, 3447528), (105, 2955024), (108, 2872940), (112, 2770335), (120, 2585646), (126, 2462520), (135, 2298352), (140, 2216268), (144, 2154705), (168, 1846890), (180, 1723764), (189, 1641680), (210, 1477512), (216, 1436470), (240, 1292823), (252, 1231260), (270, 1149176), (280, 1108134), (315, 985008), (336, 923445), (360, 861882), (378, 820840), (420, 738756), (432, 718235), (504, 615630), (540, 574588), (560, 554067), (630, 492504), (720, 430941), (756, 410420), (840, 369378), (945, 328336), (1008, 307815), (1080, 287294), (1260, 246252), (1512, 205210), (1680, 184689), (1890, 164168), (2160, 143647), (2520, 123126), (3024, 102605), (3780, 82084), (5040, 61563), (7560, 41042), (15120, 20521)]