445517520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{521}}^1$

素因数の和:1053

約数の個数: 160

約数和(自身を含む): 1584541440

約数和(自身を除く): 1139023920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 509, 521, 560, 840, 1018, 1042, 1527, 1563, 1680, 2036, 2084, 2545, 2605, 3054, 3126, 3563, 3647, 4072, 4168, 5090, 5210, 6108, 6252, 7126, 7294, 7635, 7815, 8144, 8336, 10180, 10420, 10689, 10941, 12216, 12504, 14252, 14588, 15270, 15630, 17815, 18235, 20360, 20840, 21378, 21882, 24432, 25008, 28504, 29176, 30540, 31260, 35630, 36470, 40720, 41680, 42756, 43764, 53445, 54705, 57008, 58352, 61080, 62520, 71260, 72940, 85512, 87528, 106890, 109410, 122160, 125040, 142520, 145880, 171024, 175056, 213780, 218820, 265189, 285040, 291760, 427560, 437640, 530378, 795567, 855120, 875280, 1060756, 1325945, 1591134, 1856323, 2121512, 2651890, 3182268, 3712646, 3977835, 4243024, 5303780, 5568969, 6364536, 7425292, 7955670, 9281615, 10607560, 11137938, 12729072, 14850584, 15911340, 18563230, 21215120, 22275876, 27844845, 29701168, 31822680, 37126460, 44551752, 55689690, 63645360, 74252920, 89103504, 111379380, 148505840, 222758760, 445517520]

約数ペア:

[(1, 445517520), (2, 222758760), (3, 148505840), (4, 111379380), (5, 89103504), (6, 74252920), (7, 63645360), (8, 55689690), (10, 44551752), (12, 37126460), (14, 31822680), (15, 29701168), (16, 27844845), (20, 22275876), (21, 21215120), (24, 18563230), (28, 15911340), (30, 14850584), (35, 12729072), (40, 11137938), (42, 10607560), (48, 9281615), (56, 7955670), (60, 7425292), (70, 6364536), (80, 5568969), (84, 5303780), (105, 4243024), (112, 3977835), (120, 3712646), (140, 3182268), (168, 2651890), (210, 2121512), (240, 1856323), (280, 1591134), (336, 1325945), (420, 1060756), (509, 875280), (521, 855120), (560, 795567), (840, 530378), (1018, 437640), (1042, 427560), (1527, 291760), (1563, 285040), (1680, 265189), (2036, 218820), (2084, 213780), (2545, 175056), (2605, 171024), (3054, 145880), (3126, 142520), (3563, 125040), (3647, 122160), (4072, 109410), (4168, 106890), (5090, 87528), (5210, 85512), (6108, 72940), (6252, 71260), (7126, 62520), (7294, 61080), (7635, 58352), (7815, 57008), (8144, 54705), (8336, 53445), (10180, 43764), (10420, 42756), (10689, 41680), (10941, 40720), (12216, 36470), (12504, 35630), (14252, 31260), (14588, 30540), (15270, 29176), (15630, 28504), (17815, 25008), (18235, 24432), (20360, 21882), (20840, 21378)]