66917240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:577

約数の個数: 96

約数和(自身を含む): 171946800

約数和(自身を除く): 105029560

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 169, 190, 247, 260, 338, 380, 494, 520, 521, 676, 760, 845, 988, 1042, 1235, 1352, 1690, 1976, 2084, 2470, 2605, 3211, 3380, 4168, 4940, 5210, 6422, 6760, 6773, 9880, 9899, 10420, 12844, 13546, 16055, 19798, 20840, 25688, 27092, 32110, 33865, 39596, 49495, 54184, 64220, 67730, 79192, 88049, 98990, 128440, 128687, 135460, 176098, 197980, 257374, 270920, 352196, 395960, 440245, 514748, 643435, 704392, 880490, 1029496, 1286870, 1672931, 1760980, 2573740, 3345862, 3521960, 5147480, 6691724, 8364655, 13383448, 16729310, 33458620, 66917240]

約数ペア:

[(1, 66917240), (2, 33458620), (4, 16729310), (5, 13383448), (8, 8364655), (10, 6691724), (13, 5147480), (19, 3521960), (20, 3345862), (26, 2573740), (38, 1760980), (40, 1672931), (52, 1286870), (65, 1029496), (76, 880490), (95, 704392), (104, 643435), (130, 514748), (152, 440245), (169, 395960), (190, 352196), (247, 270920), (260, 257374), (338, 197980), (380, 176098), (494, 135460), (520, 128687), (521, 128440), (676, 98990), (760, 88049), (845, 79192), (988, 67730), (1042, 64220), (1235, 54184), (1352, 49495), (1690, 39596), (1976, 33865), (2084, 32110), (2470, 27092), (2605, 25688), (3211, 20840), (3380, 19798), (4168, 16055), (4940, 13546), (5210, 12844), (6422, 10420), (6760, 9899), (6773, 9880)]