218436080

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 522716544

約数和(自身を除く): 304280464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 83, 134, 166, 268, 332, 335, 415, 491, 536, 664, 670, 830, 982, 1072, 1328, 1340, 1660, 1964, 2455, 2680, 3320, 3928, 4910, 5360, 5561, 6640, 7856, 9820, 11122, 19640, 22244, 27805, 32897, 39280, 40753, 44488, 55610, 65794, 81506, 88976, 111220, 131588, 163012, 164485, 203765, 222440, 263176, 326024, 328970, 407530, 444880, 526352, 652048, 657940, 815060, 1315880, 1630120, 2631760, 2730451, 3260240, 5460902, 10921804, 13652255, 21843608, 27304510, 43687216, 54609020, 109218040, 218436080]

約数ペア:

[(1, 218436080), (2, 109218040), (4, 54609020), (5, 43687216), (8, 27304510), (10, 21843608), (16, 13652255), (20, 10921804), (40, 5460902), (67, 3260240), (80, 2730451), (83, 2631760), (134, 1630120), (166, 1315880), (268, 815060), (332, 657940), (335, 652048), (415, 526352), (491, 444880), (536, 407530), (664, 328970), (670, 326024), (830, 263176), (982, 222440), (1072, 203765), (1328, 164485), (1340, 163012), (1660, 131588), (1964, 111220), (2455, 88976), (2680, 81506), (3320, 65794), (3928, 55610), (4910, 44488), (5360, 40753), (5561, 39280), (6640, 32897), (7856, 27805), (9820, 22244), (11122, 19640)]