2491870520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{105767}}^1$

素因数の和:105828

約数の個数: 64

約数和(自身を含む): 6092236800

約数和(自身を除く): 3600366280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 23560, 105767, 211534, 423068, 528835, 846136, 1057670, 2009573, 2115340, 3278777, 4019146, 4230680, 6557554, 8038292, 10047865, 13115108, 16076584, 16393885, 20095730, 26230216, 32787770, 40191460, 62296763, 65575540, 80382920, 124593526, 131151080, 249187052, 311483815, 498374104, 622967630, 1245935260, 2491870520]

約数ペア:

[(1, 2491870520), (2, 1245935260), (4, 622967630), (5, 498374104), (8, 311483815), (10, 249187052), (19, 131151080), (20, 124593526), (31, 80382920), (38, 65575540), (40, 62296763), (62, 40191460), (76, 32787770), (95, 26230216), (124, 20095730), (152, 16393885), (155, 16076584), (190, 13115108), (248, 10047865), (310, 8038292), (380, 6557554), (589, 4230680), (620, 4019146), (760, 3278777), (1178, 2115340), (1240, 2009573), (2356, 1057670), (2945, 846136), (4712, 528835), (5890, 423068), (11780, 211534), (23560, 105767)]