253604800

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{5113}}^1$

素因数の和:5166

約数の個数: 84

約数和(自身を含む): 644282176

約数和(自身を除く): 390677376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 4960, 5113, 6200, 9920, 10226, 12400, 20452, 24800, 25565, 40904, 49600, 51130, 81808, 102260, 127825, 158503, 163616, 204520, 255650, 317006, 327232, 409040, 511300, 634012, 792515, 818080, 1022600, 1268024, 1585030, 1636160, 2045200, 2536048, 3170060, 3962575, 4090400, 5072096, 6340120, 7925150, 8180800, 10144192, 12680240, 15850300, 25360480, 31700600, 50720960, 63401200, 126802400, 253604800]

約数ペア:

[(1, 253604800), (2, 126802400), (4, 63401200), (5, 50720960), (8, 31700600), (10, 25360480), (16, 15850300), (20, 12680240), (25, 10144192), (31, 8180800), (32, 7925150), (40, 6340120), (50, 5072096), (62, 4090400), (64, 3962575), (80, 3170060), (100, 2536048), (124, 2045200), (155, 1636160), (160, 1585030), (200, 1268024), (248, 1022600), (310, 818080), (320, 792515), (400, 634012), (496, 511300), (620, 409040), (775, 327232), (800, 317006), (992, 255650), (1240, 204520), (1550, 163616), (1600, 158503), (1984, 127825), (2480, 102260), (3100, 81808), (4960, 51130), (5113, 49600), (6200, 40904), (9920, 25565), (10226, 24800), (12400, 20452)]