143248520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{115523}}^1$

素因数の和:115565

約数の個数: 32

約数和(自身を含む): 332709120

約数和(自身を除く): 189460600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 115523, 231046, 462092, 577615, 924184, 1155230, 2310460, 3581213, 4620920, 7162426, 14324852, 17906065, 28649704, 35812130, 71624260, 143248520]

約数ペア:

[(1, 143248520), (2, 71624260), (4, 35812130), (5, 28649704), (8, 17906065), (10, 14324852), (20, 7162426), (31, 4620920), (40, 3581213), (62, 2310460), (124, 1155230), (155, 924184), (248, 577615), (310, 462092), (620, 231046), (1240, 115523)]