31727720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 76032000

約数和(自身を除く): 44304280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 383, 436, 545, 760, 766, 872, 1090, 1532, 1915, 2071, 2180, 3064, 3830, 4142, 4360, 7277, 7660, 8284, 10355, 14554, 15320, 16568, 20710, 29108, 36385, 41420, 41747, 58216, 72770, 82840, 83494, 145540, 166988, 208735, 291080, 333976, 417470, 793193, 834940, 1586386, 1669880, 3172772, 3965965, 6345544, 7931930, 15863860, 31727720]

約数ペア:

[(1, 31727720), (2, 15863860), (4, 7931930), (5, 6345544), (8, 3965965), (10, 3172772), (19, 1669880), (20, 1586386), (38, 834940), (40, 793193), (76, 417470), (95, 333976), (109, 291080), (152, 208735), (190, 166988), (218, 145540), (380, 83494), (383, 82840), (436, 72770), (545, 58216), (760, 41747), (766, 41420), (872, 36385), (1090, 29108), (1532, 20710), (1915, 16568), (2071, 15320), (2180, 14554), (3064, 10355), (3830, 8284), (4142, 7660), (4360, 7277)]