31151940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3307}}^1$

素因数の和:3476

約数の個数: 48

約数和(自身を含む): 87807552

約数和(自身を除く): 56655612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 3307, 4710, 6614, 9420, 9921, 13228, 16535, 19842, 33070, 39684, 49605, 66140, 99210, 198420, 519199, 1038398, 1557597, 2076796, 2595995, 3115194, 5191990, 6230388, 7787985, 10383980, 15575970, 31151940]

約数ペア:

[(1, 31151940), (2, 15575970), (3, 10383980), (4, 7787985), (5, 6230388), (6, 5191990), (10, 3115194), (12, 2595995), (15, 2076796), (20, 1557597), (30, 1038398), (60, 519199), (157, 198420), (314, 99210), (471, 66140), (628, 49605), (785, 39684), (942, 33070), (1570, 19842), (1884, 16535), (2355, 13228), (3140, 9921), (3307, 9420), (4710, 6614)]