15418970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 33854976

約数和(自身を除く): 18436006

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 61, 70, 115, 122, 157, 161, 230, 305, 314, 322, 427, 610, 785, 805, 854, 1099, 1403, 1570, 1610, 2135, 2198, 2806, 3611, 4270, 5495, 7015, 7222, 9577, 9821, 10990, 14030, 18055, 19154, 19642, 25277, 36110, 47885, 49105, 50554, 67039, 95770, 98210, 126385, 134078, 220271, 252770, 335195, 440542, 670390, 1101355, 1541897, 2202710, 3083794, 7709485, 15418970]

約数ペア:

[(1, 15418970), (2, 7709485), (5, 3083794), (7, 2202710), (10, 1541897), (14, 1101355), (23, 670390), (35, 440542), (46, 335195), (61, 252770), (70, 220271), (115, 134078), (122, 126385), (157, 98210), (161, 95770), (230, 67039), (305, 50554), (314, 49105), (322, 47885), (427, 36110), (610, 25277), (785, 19642), (805, 19154), (854, 18055), (1099, 14030), (1403, 10990), (1570, 9821), (1610, 9577), (2135, 7222), (2198, 7015), (2806, 5495), (3611, 4270)]