217398240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{677}}^1$

素因数の和:921

約数の個数: 144

約数和(自身を含む): 746299008

約数和(自身を除く): 528900768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 223, 240, 288, 360, 446, 480, 669, 677, 720, 892, 1115, 1338, 1354, 1440, 1784, 2007, 2031, 2230, 2676, 2708, 3345, 3385, 3568, 4014, 4062, 4460, 5352, 5416, 6093, 6690, 6770, 7136, 8028, 8124, 8920, 10035, 10155, 10704, 10832, 12186, 13380, 13540, 16056, 16248, 17840, 20070, 20310, 21408, 21664, 24372, 26760, 27080, 30465, 32112, 32496, 35680, 40140, 40620, 48744, 53520, 54160, 60930, 64224, 64992, 80280, 81240, 97488, 107040, 108320, 121860, 150971, 160560, 162480, 194976, 243720, 301942, 321120, 324960, 452913, 487440, 603884, 754855, 905826, 974880, 1207768, 1358739, 1509710, 1811652, 2264565, 2415536, 2717478, 3019420, 3623304, 4529130, 4831072, 5434956, 6038840, 6793695, 7246608, 9058260, 10869912, 12077680, 13587390, 14493216, 18116520, 21739824, 24155360, 27174780, 36233040, 43479648, 54349560, 72466080, 108699120, 217398240]

約数ペア:

[(1, 217398240), (2, 108699120), (3, 72466080), (4, 54349560), (5, 43479648), (6, 36233040), (8, 27174780), (9, 24155360), (10, 21739824), (12, 18116520), (15, 14493216), (16, 13587390), (18, 12077680), (20, 10869912), (24, 9058260), (30, 7246608), (32, 6793695), (36, 6038840), (40, 5434956), (45, 4831072), (48, 4529130), (60, 3623304), (72, 3019420), (80, 2717478), (90, 2415536), (96, 2264565), (120, 1811652), (144, 1509710), (160, 1358739), (180, 1207768), (223, 974880), (240, 905826), (288, 754855), (360, 603884), (446, 487440), (480, 452913), (669, 324960), (677, 321120), (720, 301942), (892, 243720), (1115, 194976), (1338, 162480), (1354, 160560), (1440, 150971), (1784, 121860), (2007, 108320), (2031, 107040), (2230, 97488), (2676, 81240), (2708, 80280), (3345, 64992), (3385, 64224), (3568, 60930), (4014, 54160), (4062, 53520), (4460, 48744), (5352, 40620), (5416, 40140), (6093, 35680), (6690, 32496), (6770, 32112), (7136, 30465), (8028, 27080), (8124, 26760), (8920, 24372), (10035, 21664), (10155, 21408), (10704, 20310), (10832, 20070), (12186, 17840), (13380, 16248), (13540, 16056)]