1578520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 3916800

約数和(自身を除く): 2338280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 67, 76, 95, 124, 134, 152, 155, 190, 248, 268, 310, 335, 380, 536, 589, 620, 670, 760, 1178, 1240, 1273, 1340, 2077, 2356, 2546, 2680, 2945, 4154, 4712, 5092, 5890, 6365, 8308, 10184, 10385, 11780, 12730, 16616, 20770, 23560, 25460, 39463, 41540, 50920, 78926, 83080, 157852, 197315, 315704, 394630, 789260, 1578520]

約数ペア:

[(1, 1578520), (2, 789260), (4, 394630), (5, 315704), (8, 197315), (10, 157852), (19, 83080), (20, 78926), (31, 50920), (38, 41540), (40, 39463), (62, 25460), (67, 23560), (76, 20770), (95, 16616), (124, 12730), (134, 11780), (152, 10385), (155, 10184), (190, 8308), (248, 6365), (268, 5890), (310, 5092), (335, 4712), (380, 4154), (536, 2945), (589, 2680), (620, 2546), (670, 2356), (760, 2077), (1178, 1340), (1240, 1273)]