1245060720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{709}}^1$

素因数の和:1005

約数の個数: 200

約数和(自身を含む): 4346358720

約数和(自身を除く): 3101298000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 271, 324, 360, 405, 432, 540, 542, 648, 709, 720, 810, 813, 1080, 1084, 1296, 1355, 1418, 1620, 1626, 2127, 2160, 2168, 2439, 2710, 2836, 3240, 3252, 3545, 4065, 4254, 4336, 4878, 5420, 5672, 6381, 6480, 6504, 7090, 7317, 8130, 8508, 9756, 10635, 10840, 11344, 12195, 12762, 13008, 14180, 14634, 16260, 17016, 19143, 19512, 21270, 21680, 21951, 24390, 25524, 28360, 29268, 31905, 32520, 34032, 36585, 38286, 39024, 42540, 43902, 48780, 51048, 56720, 57429, 58536, 63810, 65040, 73170, 76572, 85080, 87804, 95715, 97560, 102096, 109755, 114858, 117072, 127620, 146340, 153144, 170160, 175608, 191430, 192139, 195120, 219510, 229716, 255240, 287145, 292680, 306288, 351216, 382860, 384278, 439020, 459432, 510480, 574290, 576417, 585360, 765720, 768556, 878040, 918864, 960695, 1148580, 1152834, 1531440, 1537112, 1729251, 1756080, 1921390, 2297160, 2305668, 2882085, 3074224, 3458502, 3842780, 4594320, 4611336, 5187753, 5764170, 6917004, 7685560, 8646255, 9222672, 10375506, 11528340, 13834008, 15371120, 15563259, 17292510, 20751012, 23056680, 25938765, 27668016, 31126518, 34585020, 41502024, 46113360, 51877530, 62253036, 69170040, 77816295, 83004048, 103755060, 124506072, 138340080, 155632590, 207510120, 249012144, 311265180, 415020240, 622530360, 1245060720]

約数ペア:

[(1, 1245060720), (2, 622530360), (3, 415020240), (4, 311265180), (5, 249012144), (6, 207510120), (8, 155632590), (9, 138340080), (10, 124506072), (12, 103755060), (15, 83004048), (16, 77816295), (18, 69170040), (20, 62253036), (24, 51877530), (27, 46113360), (30, 41502024), (36, 34585020), (40, 31126518), (45, 27668016), (48, 25938765), (54, 23056680), (60, 20751012), (72, 17292510), (80, 15563259), (81, 15371120), (90, 13834008), (108, 11528340), (120, 10375506), (135, 9222672), (144, 8646255), (162, 7685560), (180, 6917004), (216, 5764170), (240, 5187753), (270, 4611336), (271, 4594320), (324, 3842780), (360, 3458502), (405, 3074224), (432, 2882085), (540, 2305668), (542, 2297160), (648, 1921390), (709, 1756080), (720, 1729251), (810, 1537112), (813, 1531440), (1080, 1152834), (1084, 1148580), (1296, 960695), (1355, 918864), (1418, 878040), (1620, 768556), (1626, 765720), (2127, 585360), (2160, 576417), (2168, 574290), (2439, 510480), (2710, 459432), (2836, 439020), (3240, 384278), (3252, 382860), (3545, 351216), (4065, 306288), (4254, 292680), (4336, 287145), (4878, 255240), (5420, 229716), (5672, 219510), (6381, 195120), (6480, 192139), (6504, 191430), (7090, 175608), (7317, 170160), (8130, 153144), (8508, 146340), (9756, 127620), (10635, 117072), (10840, 114858), (11344, 109755), (12195, 102096), (12762, 97560), (13008, 95715), (14180, 87804), (14634, 85080), (16260, 76572), (17016, 73170), (19143, 65040), (19512, 63810), (21270, 58536), (21680, 57429), (21951, 56720), (24390, 51048), (25524, 48780), (28360, 43902), (29268, 42540), (31905, 39024), (32520, 38286), (34032, 36585)]