71920000

素因数分解:

$2^7\times 5^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 160

約数和(自身を含む): 191188800

約数和(自身を除く): 119268800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 31, 32, 40, 50, 58, 62, 64, 80, 100, 116, 124, 125, 128, 145, 155, 160, 200, 232, 248, 250, 290, 310, 320, 400, 464, 496, 500, 580, 620, 625, 640, 725, 775, 800, 899, 928, 992, 1000, 1160, 1240, 1250, 1450, 1550, 1600, 1798, 1856, 1984, 2000, 2320, 2480, 2500, 2900, 3100, 3200, 3596, 3625, 3712, 3875, 3968, 4000, 4495, 4640, 4960, 5000, 5800, 6200, 7192, 7250, 7750, 8000, 8990, 9280, 9920, 10000, 11600, 12400, 14384, 14500, 15500, 16000, 17980, 18125, 18560, 19375, 19840, 20000, 22475, 23200, 24800, 28768, 29000, 31000, 35960, 36250, 38750, 40000, 44950, 46400, 49600, 57536, 58000, 62000, 71920, 72500, 77500, 80000, 89900, 92800, 99200, 112375, 115072, 116000, 124000, 143840, 145000, 155000, 179800, 224750, 232000, 248000, 287680, 290000, 310000, 359600, 449500, 464000, 496000, 561875, 575360, 580000, 620000, 719200, 899000, 1123750, 1160000, 1240000, 1438400, 1798000, 2247500, 2320000, 2480000, 2876800, 3596000, 4495000, 7192000, 8990000, 14384000, 17980000, 35960000, 71920000]

約数ペア:

[(1, 71920000), (2, 35960000), (4, 17980000), (5, 14384000), (8, 8990000), (10, 7192000), (16, 4495000), (20, 3596000), (25, 2876800), (29, 2480000), (31, 2320000), (32, 2247500), (40, 1798000), (50, 1438400), (58, 1240000), (62, 1160000), (64, 1123750), (80, 899000), (100, 719200), (116, 620000), (124, 580000), (125, 575360), (128, 561875), (145, 496000), (155, 464000), (160, 449500), (200, 359600), (232, 310000), (248, 290000), (250, 287680), (290, 248000), (310, 232000), (320, 224750), (400, 179800), (464, 155000), (496, 145000), (500, 143840), (580, 124000), (620, 116000), (625, 115072), (640, 112375), (725, 99200), (775, 92800), (800, 89900), (899, 80000), (928, 77500), (992, 72500), (1000, 71920), (1160, 62000), (1240, 58000), (1250, 57536), (1450, 49600), (1550, 46400), (1600, 44950), (1798, 40000), (1856, 38750), (1984, 36250), (2000, 35960), (2320, 31000), (2480, 29000), (2500, 28768), (2900, 24800), (3100, 23200), (3200, 22475), (3596, 20000), (3625, 19840), (3712, 19375), (3875, 18560), (3968, 18125), (4000, 17980), (4495, 16000), (4640, 15500), (4960, 14500), (5000, 14384), (5800, 12400), (6200, 11600), (7192, 10000), (7250, 9920), (7750, 9280), (8000, 8990)]