20190720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:276

約数の個数: 160

約数和(自身を含む): 70709760

約数和(自身を除く): 50519040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 239, 240, 256, 264, 320, 330, 352, 384, 440, 478, 480, 512, 528, 640, 660, 704, 717, 768, 880, 956, 960, 1056, 1195, 1280, 1320, 1408, 1434, 1536, 1760, 1912, 1920, 2112, 2390, 2560, 2629, 2640, 2816, 2868, 3520, 3585, 3824, 3840, 4224, 4780, 5258, 5280, 5632, 5736, 7040, 7170, 7648, 7680, 7887, 8448, 9560, 10516, 10560, 11472, 13145, 14080, 14340, 15296, 15774, 16896, 19120, 21032, 21120, 22944, 26290, 28160, 28680, 30592, 31548, 38240, 39435, 42064, 42240, 45888, 52580, 57360, 61184, 63096, 76480, 78870, 84128, 84480, 91776, 105160, 114720, 122368, 126192, 152960, 157740, 168256, 183552, 210320, 229440, 252384, 305920, 315480, 336512, 367104, 420640, 458880, 504768, 611840, 630960, 673024, 841280, 917760, 1009536, 1261920, 1346048, 1682560, 1835520, 2019072, 2523840, 3365120, 4038144, 5047680, 6730240, 10095360, 20190720]

約数ペア:

[(1, 20190720), (2, 10095360), (3, 6730240), (4, 5047680), (5, 4038144), (6, 3365120), (8, 2523840), (10, 2019072), (11, 1835520), (12, 1682560), (15, 1346048), (16, 1261920), (20, 1009536), (22, 917760), (24, 841280), (30, 673024), (32, 630960), (33, 611840), (40, 504768), (44, 458880), (48, 420640), (55, 367104), (60, 336512), (64, 315480), (66, 305920), (80, 252384), (88, 229440), (96, 210320), (110, 183552), (120, 168256), (128, 157740), (132, 152960), (160, 126192), (165, 122368), (176, 114720), (192, 105160), (220, 91776), (239, 84480), (240, 84128), (256, 78870), (264, 76480), (320, 63096), (330, 61184), (352, 57360), (384, 52580), (440, 45888), (478, 42240), (480, 42064), (512, 39435), (528, 38240), (640, 31548), (660, 30592), (704, 28680), (717, 28160), (768, 26290), (880, 22944), (956, 21120), (960, 21032), (1056, 19120), (1195, 16896), (1280, 15774), (1320, 15296), (1408, 14340), (1434, 14080), (1536, 13145), (1760, 11472), (1912, 10560), (1920, 10516), (2112, 9560), (2390, 8448), (2560, 7887), (2629, 7680), (2640, 7648), (2816, 7170), (2868, 7040), (3520, 5736), (3585, 5632), (3824, 5280), (3840, 5258), (4224, 4780)]