30778980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1907}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 86546880

約数和(自身を除く): 55767900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 1076, 1345, 1614, 1907, 2690, 3228, 3814, 4035, 5380, 5721, 7628, 8070, 9535, 11442, 16140, 19070, 22884, 28605, 38140, 57210, 114420, 512983, 1025966, 1538949, 2051932, 2564915, 3077898, 5129830, 6155796, 7694745, 10259660, 15389490, 30778980]

約数ペア:

[(1, 30778980), (2, 15389490), (3, 10259660), (4, 7694745), (5, 6155796), (6, 5129830), (10, 3077898), (12, 2564915), (15, 2051932), (20, 1538949), (30, 1025966), (60, 512983), (269, 114420), (538, 57210), (807, 38140), (1076, 28605), (1345, 22884), (1614, 19070), (1907, 16140), (2690, 11442), (3228, 9535), (3814, 8070), (4035, 7628), (5380, 5721)]