76880000

素因数分解:

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

素因数の和:96

約数の個数: 120

約数和(自身を含む): 197760915

約数和(自身を除く): 120880915

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 620, 625, 640, 775, 800, 961, 992, 1000, 1240, 1250, 1550, 1600, 1922, 1984, 2000, 2480, 2500, 3100, 3200, 3844, 3875, 3968, 4000, 4805, 4960, 5000, 6200, 7688, 7750, 8000, 9610, 9920, 10000, 12400, 15376, 15500, 16000, 19220, 19375, 19840, 20000, 24025, 24800, 30752, 31000, 38440, 38750, 40000, 48050, 49600, 61504, 62000, 76880, 77500, 80000, 96100, 99200, 120125, 123008, 124000, 153760, 155000, 192200, 240250, 248000, 307520, 310000, 384400, 480500, 496000, 600625, 615040, 620000, 768800, 961000, 1201250, 1240000, 1537600, 1922000, 2402500, 2480000, 3075200, 3844000, 4805000, 7688000, 9610000, 15376000, 19220000, 38440000, 76880000]

約数ペア:

[(1, 76880000), (2, 38440000), (4, 19220000), (5, 15376000), (8, 9610000), (10, 7688000), (16, 4805000), (20, 3844000), (25, 3075200), (31, 2480000), (32, 2402500), (40, 1922000), (50, 1537600), (62, 1240000), (64, 1201250), (80, 961000), (100, 768800), (124, 620000), (125, 615040), (128, 600625), (155, 496000), (160, 480500), (200, 384400), (248, 310000), (250, 307520), (310, 248000), (320, 240250), (400, 192200), (496, 155000), (500, 153760), (620, 124000), (625, 123008), (640, 120125), (775, 99200), (800, 96100), (961, 80000), (992, 77500), (1000, 76880), (1240, 62000), (1250, 61504), (1550, 49600), (1600, 48050), (1922, 40000), (1984, 38750), (2000, 38440), (2480, 31000), (2500, 30752), (3100, 24800), (3200, 24025), (3844, 20000), (3875, 19840), (3968, 19375), (4000, 19220), (4805, 16000), (4960, 15500), (5000, 15376), (6200, 12400), (7688, 10000), (7750, 9920), (8000, 9610)]