620555040

素因数分解:

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

素因数の和:20552

約数の個数: 192

約数和(自身を含む): 2482341120

約数和(自身を除く): 1861786080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 20521, 30240, 41042, 61563, 82084, 102605, 123126, 143647, 164168, 184689, 205210, 246252, 287294, 307815, 328336, 369378, 410420, 430941, 492504, 554067, 574588, 615630, 656672, 718235, 738756, 820840, 861882, 923445, 985008, 1108134, 1149176, 1231260, 1292823, 1436470, 1477512, 1641680, 1723764, 1846890, 1970016, 2154705, 2216268, 2298352, 2462520, 2585646, 2770335, 2872940, 2955024, 3283360, 3447528, 3693780, 3878469, 4309410, 4432536, 4596704, 4925040, 5171292, 5540670, 5745880, 5910048, 6464115, 6895056, 7387560, 7756938, 8618820, 8865072, 9850080, 10342584, 11081340, 11491760, 12928230, 13790112, 14775120, 15513876, 17237640, 17730144, 19392345, 20685168, 22162680, 22983520, 25856460, 29550240, 31027752, 34475280, 38784690, 41370336, 44325360, 51712920, 62055504, 68950560, 77569380, 88650720, 103425840, 124111008, 155138760, 206851680, 310277520, 620555040]

約数ペア:

[(1, 620555040), (2, 310277520), (3, 206851680), (4, 155138760), (5, 124111008), (6, 103425840), (7, 88650720), (8, 77569380), (9, 68950560), (10, 62055504), (12, 51712920), (14, 44325360), (15, 41370336), (16, 38784690), (18, 34475280), (20, 31027752), (21, 29550240), (24, 25856460), (27, 22983520), (28, 22162680), (30, 20685168), (32, 19392345), (35, 17730144), (36, 17237640), (40, 15513876), (42, 14775120), (45, 13790112), (48, 12928230), (54, 11491760), (56, 11081340), (60, 10342584), (63, 9850080), (70, 8865072), (72, 8618820), (80, 7756938), (84, 7387560), (90, 6895056), (96, 6464115), (105, 5910048), (108, 5745880), (112, 5540670), (120, 5171292), (126, 4925040), (135, 4596704), (140, 4432536), (144, 4309410), (160, 3878469), (168, 3693780), (180, 3447528), (189, 3283360), (210, 2955024), (216, 2872940), (224, 2770335), (240, 2585646), (252, 2462520), (270, 2298352), (280, 2216268), (288, 2154705), (315, 1970016), (336, 1846890), (360, 1723764), (378, 1641680), (420, 1477512), (432, 1436470), (480, 1292823), (504, 1231260), (540, 1149176), (560, 1108134), (630, 985008), (672, 923445), (720, 861882), (756, 820840), (840, 738756), (864, 718235), (945, 656672), (1008, 615630), (1080, 574588), (1120, 554067), (1260, 492504), (1440, 430941), (1512, 410420), (1680, 369378), (1890, 328336), (2016, 307815), (2160, 287294), (2520, 246252), (3024, 205210), (3360, 184689), (3780, 164168), (4320, 143647), (5040, 123126), (6048, 102605), (7560, 82084), (10080, 61563), (15120, 41042), (20521, 30240)]