81913530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 202341888

約数和(自身を除く): 120428358

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 83, 134, 166, 201, 249, 335, 402, 415, 491, 498, 670, 830, 982, 1005, 1245, 1473, 2010, 2455, 2490, 2946, 4910, 5561, 7365, 11122, 14730, 16683, 27805, 32897, 33366, 40753, 55610, 65794, 81506, 83415, 98691, 122259, 164485, 166830, 197382, 203765, 244518, 328970, 407530, 493455, 611295, 986910, 1222590, 2730451, 5460902, 8191353, 13652255, 16382706, 27304510, 40956765, 81913530]

約数ペア:

[(1, 81913530), (2, 40956765), (3, 27304510), (5, 16382706), (6, 13652255), (10, 8191353), (15, 5460902), (30, 2730451), (67, 1222590), (83, 986910), (134, 611295), (166, 493455), (201, 407530), (249, 328970), (335, 244518), (402, 203765), (415, 197382), (491, 166830), (498, 164485), (670, 122259), (830, 98691), (982, 83415), (1005, 81506), (1245, 65794), (1473, 55610), (2010, 40753), (2455, 33366), (2490, 32897), (2946, 27805), (4910, 16683), (5561, 14730), (7365, 11122)]