23970255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 43711488

約数和(自身を除く): 19741233

約数列:

[1, 3, 5, 15, 17, 23, 51, 61, 67, 69, 85, 115, 183, 201, 255, 305, 335, 345, 391, 915, 1005, 1037, 1139, 1173, 1403, 1541, 1955, 3111, 3417, 4087, 4209, 4623, 5185, 5695, 5865, 7015, 7705, 12261, 15555, 17085, 20435, 21045, 23115, 23851, 26197, 61305, 69479, 71553, 78591, 94001, 119255, 130985, 208437, 282003, 347395, 357765, 392955, 470005, 1042185, 1410015, 1598017, 4794051, 7990085, 23970255]

約数ペア:

[(1, 23970255), (3, 7990085), (5, 4794051), (15, 1598017), (17, 1410015), (23, 1042185), (51, 470005), (61, 392955), (67, 357765), (69, 347395), (85, 282003), (115, 208437), (183, 130985), (201, 119255), (255, 94001), (305, 78591), (335, 71553), (345, 69479), (391, 61305), (915, 26197), (1005, 23851), (1037, 23115), (1139, 21045), (1173, 20435), (1403, 17085), (1541, 15555), (1955, 12261), (3111, 7705), (3417, 7015), (4087, 5865), (4209, 5695), (4623, 5185)]