8320565520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{23159}}^1$

素因数の和:23677

約数の個数: 120

約数和(自身を含む): 28000440000

約数和(自身を除く): 19679874480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 499, 720, 998, 1497, 1996, 2495, 2994, 3992, 4491, 4990, 5988, 7485, 7984, 8982, 9980, 11976, 14970, 17964, 19960, 22455, 23159, 23952, 29940, 35928, 39920, 44910, 46318, 59880, 69477, 71856, 89820, 92636, 115795, 119760, 138954, 179640, 185272, 208431, 231590, 277908, 347385, 359280, 370544, 416862, 463180, 555816, 694770, 833724, 926360, 1042155, 1111632, 1389540, 1667448, 1852720, 2084310, 2779080, 3334896, 4168620, 5558160, 8337240, 11556341, 16674480, 23112682, 34669023, 46225364, 57781705, 69338046, 92450728, 104007069, 115563410, 138676092, 173345115, 184901456, 208014138, 231126820, 277352184, 346690230, 416028276, 462253640, 520035345, 554704368, 693380460, 832056552, 924507280, 1040070690, 1386760920, 1664113104, 2080141380, 2773521840, 4160282760, 8320565520]

約数ペア:

[(1, 8320565520), (2, 4160282760), (3, 2773521840), (4, 2080141380), (5, 1664113104), (6, 1386760920), (8, 1040070690), (9, 924507280), (10, 832056552), (12, 693380460), (15, 554704368), (16, 520035345), (18, 462253640), (20, 416028276), (24, 346690230), (30, 277352184), (36, 231126820), (40, 208014138), (45, 184901456), (48, 173345115), (60, 138676092), (72, 115563410), (80, 104007069), (90, 92450728), (120, 69338046), (144, 57781705), (180, 46225364), (240, 34669023), (360, 23112682), (499, 16674480), (720, 11556341), (998, 8337240), (1497, 5558160), (1996, 4168620), (2495, 3334896), (2994, 2779080), (3992, 2084310), (4491, 1852720), (4990, 1667448), (5988, 1389540), (7485, 1111632), (7984, 1042155), (8982, 926360), (9980, 833724), (11976, 694770), (14970, 555816), (17964, 463180), (19960, 416862), (22455, 370544), (23159, 359280), (23952, 347385), (29940, 277908), (35928, 231590), (39920, 208431), (44910, 185272), (46318, 179640), (59880, 138954), (69477, 119760), (71856, 115795), (89820, 92636)]