13680760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 19496840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 383, 470, 760, 766, 893, 940, 1532, 1786, 1880, 1915, 3064, 3572, 3830, 4465, 7144, 7277, 7660, 8930, 14554, 15320, 17860, 18001, 29108, 35720, 36002, 36385, 58216, 72004, 72770, 90005, 144008, 145540, 180010, 291080, 342019, 360020, 684038, 720040, 1368076, 1710095, 2736152, 3420190, 6840380, 13680760]

約数ペア:

[(1, 13680760), (2, 6840380), (4, 3420190), (5, 2736152), (8, 1710095), (10, 1368076), (19, 720040), (20, 684038), (38, 360020), (40, 342019), (47, 291080), (76, 180010), (94, 145540), (95, 144008), (152, 90005), (188, 72770), (190, 72004), (235, 58216), (376, 36385), (380, 36002), (383, 35720), (470, 29108), (760, 18001), (766, 17860), (893, 15320), (940, 14554), (1532, 8930), (1786, 7660), (1880, 7277), (1915, 7144), (3064, 4465), (3572, 3830)]