15311720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20147}}^1$

素因数の和:20177

約数の個数: 32

約数和(自身を含む): 36266400

約数和(自身を除く): 20954680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20147, 40294, 80588, 100735, 161176, 201470, 382793, 402940, 765586, 805880, 1531172, 1913965, 3062344, 3827930, 7655860, 15311720]

約数ペア:

[(1, 15311720), (2, 7655860), (4, 3827930), (5, 3062344), (8, 1913965), (10, 1531172), (19, 805880), (20, 765586), (38, 402940), (40, 382793), (76, 201470), (95, 161176), (152, 100735), (190, 80588), (380, 40294), (760, 20147)]