81363528

素因数分解:

$2^3\times 3^4\times {\mathrm{241}}^1\times {\mathrm{521}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 229278060

約数和(自身を除く): 147914532

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 241, 324, 482, 521, 648, 723, 964, 1042, 1446, 1563, 1928, 2084, 2169, 2892, 3126, 4168, 4338, 4689, 5784, 6252, 6507, 8676, 9378, 12504, 13014, 14067, 17352, 18756, 19521, 26028, 28134, 37512, 39042, 42201, 52056, 56268, 78084, 84402, 112536, 125561, 156168, 168804, 251122, 337608, 376683, 502244, 753366, 1004488, 1130049, 1506732, 2260098, 3013464, 3390147, 4520196, 6780294, 9040392, 10170441, 13560588, 20340882, 27121176, 40681764, 81363528]

約数ペア:

[(1, 81363528), (2, 40681764), (3, 27121176), (4, 20340882), (6, 13560588), (8, 10170441), (9, 9040392), (12, 6780294), (18, 4520196), (24, 3390147), (27, 3013464), (36, 2260098), (54, 1506732), (72, 1130049), (81, 1004488), (108, 753366), (162, 502244), (216, 376683), (241, 337608), (324, 251122), (482, 168804), (521, 156168), (648, 125561), (723, 112536), (964, 84402), (1042, 78084), (1446, 56268), (1563, 52056), (1928, 42201), (2084, 39042), (2169, 37512), (2892, 28134), (3126, 26028), (4168, 19521), (4338, 18756), (4689, 17352), (5784, 14067), (6252, 13014), (6507, 12504), (8676, 9378)]