161728580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{8521}}^1$

素因数の和:8616

約数の個数: 48

約数和(自身を含む): 370809264

約数和(自身を除く): 209080684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 8521, 9490, 17042, 18980, 34084, 42605, 85210, 110773, 170420, 221546, 443092, 553865, 622033, 1107730, 1244066, 2215460, 2488132, 3110165, 6220330, 8086429, 12440660, 16172858, 32345716, 40432145, 80864290, 161728580]

約数ペア:

[(1, 161728580), (2, 80864290), (4, 40432145), (5, 32345716), (10, 16172858), (13, 12440660), (20, 8086429), (26, 6220330), (52, 3110165), (65, 2488132), (73, 2215460), (130, 1244066), (146, 1107730), (260, 622033), (292, 553865), (365, 443092), (730, 221546), (949, 170420), (1460, 110773), (1898, 85210), (3796, 42605), (4745, 34084), (8521, 18980), (9490, 17042)]