31381320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15383}}^1$

素因数の和:15414

約数の個数: 64

約数和(自身を含む): 99688320

約数和(自身を除く): 68307000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 15383, 30766, 46149, 61532, 76915, 92298, 123064, 153830, 184596, 230745, 261511, 307660, 369192, 461490, 523022, 615320, 784533, 922980, 1046044, 1307555, 1569066, 1845960, 2092088, 2615110, 3138132, 3922665, 5230220, 6276264, 7845330, 10460440, 15690660, 31381320]

約数ペア:

[(1, 31381320), (2, 15690660), (3, 10460440), (4, 7845330), (5, 6276264), (6, 5230220), (8, 3922665), (10, 3138132), (12, 2615110), (15, 2092088), (17, 1845960), (20, 1569066), (24, 1307555), (30, 1046044), (34, 922980), (40, 784533), (51, 615320), (60, 523022), (68, 461490), (85, 369192), (102, 307660), (120, 261511), (136, 230745), (170, 184596), (204, 153830), (255, 123064), (340, 92298), (408, 76915), (510, 61532), (680, 46149), (1020, 30766), (2040, 15383)]