81610680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11149}}^1$

素因数の和:11224

約数の個数: 64

約数和(自身を含む): 248868000

約数和(自身を除く): 167257320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 11149, 22298, 33447, 44596, 55745, 66894, 89192, 111490, 133788, 167235, 222980, 267576, 334470, 445960, 668940, 680089, 1337880, 1360178, 2040267, 2720356, 3400445, 4080534, 5440712, 6800890, 8161068, 10201335, 13601780, 16322136, 20402670, 27203560, 40805340, 81610680]

約数ペア:

[(1, 81610680), (2, 40805340), (3, 27203560), (4, 20402670), (5, 16322136), (6, 13601780), (8, 10201335), (10, 8161068), (12, 6800890), (15, 5440712), (20, 4080534), (24, 3400445), (30, 2720356), (40, 2040267), (60, 1360178), (61, 1337880), (120, 680089), (122, 668940), (183, 445960), (244, 334470), (305, 267576), (366, 222980), (488, 167235), (610, 133788), (732, 111490), (915, 89192), (1220, 66894), (1464, 55745), (1830, 44596), (2440, 33447), (3660, 22298), (7320, 11149)]