78727600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:963

約数の個数: 120

約数和(自身を含む): 223382528

約数和(自身を除く): 144654928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 868, 907, 1085, 1240, 1400, 1550, 1736, 1814, 2170, 2480, 2800, 3100, 3472, 3628, 4340, 4535, 5425, 6200, 6349, 7256, 8680, 9070, 10850, 12400, 12698, 14512, 17360, 18140, 21700, 22675, 25396, 28117, 31745, 36280, 43400, 45350, 50792, 56234, 63490, 72560, 86800, 90700, 101584, 112468, 126980, 140585, 158725, 181400, 196819, 224936, 253960, 281170, 317450, 362800, 393638, 449872, 507920, 562340, 634900, 702925, 787276, 984095, 1124680, 1269800, 1405850, 1574552, 1968190, 2249360, 2539600, 2811700, 3149104, 3936380, 4920475, 5623400, 7872760, 9840950, 11246800, 15745520, 19681900, 39363800, 78727600]

約数ペア:

[(1, 78727600), (2, 39363800), (4, 19681900), (5, 15745520), (7, 11246800), (8, 9840950), (10, 7872760), (14, 5623400), (16, 4920475), (20, 3936380), (25, 3149104), (28, 2811700), (31, 2539600), (35, 2249360), (40, 1968190), (50, 1574552), (56, 1405850), (62, 1269800), (70, 1124680), (80, 984095), (100, 787276), (112, 702925), (124, 634900), (140, 562340), (155, 507920), (175, 449872), (200, 393638), (217, 362800), (248, 317450), (280, 281170), (310, 253960), (350, 224936), (400, 196819), (434, 181400), (496, 158725), (560, 140585), (620, 126980), (700, 112468), (775, 101584), (868, 90700), (907, 86800), (1085, 72560), (1240, 63490), (1400, 56234), (1550, 50792), (1736, 45350), (1814, 43400), (2170, 36280), (2480, 31745), (2800, 28117), (3100, 25396), (3472, 22675), (3628, 21700), (4340, 18140), (4535, 17360), (5425, 14512), (6200, 12698), (6349, 12400), (7256, 10850), (8680, 9070)]