77891580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33287}}^1$

素因数の和:33315

約数の個数: 72

約数和(自身を含む): 254453472

約数和(自身を除く): 176561892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 33287, 66574, 99861, 133148, 166435, 199722, 299583, 332870, 399444, 432731, 499305, 599166, 665740, 865462, 998610, 1198332, 1298193, 1497915, 1730924, 1997220, 2163655, 2596386, 2995830, 3894579, 4327310, 5192772, 5991660, 6490965, 7789158, 8654620, 12981930, 15578316, 19472895, 25963860, 38945790, 77891580]

約数ペア:

[(1, 77891580), (2, 38945790), (3, 25963860), (4, 19472895), (5, 15578316), (6, 12981930), (9, 8654620), (10, 7789158), (12, 6490965), (13, 5991660), (15, 5192772), (18, 4327310), (20, 3894579), (26, 2995830), (30, 2596386), (36, 2163655), (39, 1997220), (45, 1730924), (52, 1497915), (60, 1298193), (65, 1198332), (78, 998610), (90, 865462), (117, 665740), (130, 599166), (156, 499305), (180, 432731), (195, 399444), (234, 332870), (260, 299583), (390, 199722), (468, 166435), (585, 133148), (780, 99861), (1170, 66574), (2340, 33287)]