30352720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12239}}^1$

素因数の和:12283

約数の個数: 40

約数和(自身を含む): 72852480

約数和(自身を除く): 42499760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12239, 24478, 48956, 61195, 97912, 122390, 195824, 244780, 379409, 489560, 758818, 979120, 1517636, 1897045, 3035272, 3794090, 6070544, 7588180, 15176360, 30352720]

約数ペア:

[(1, 30352720), (2, 15176360), (4, 7588180), (5, 6070544), (8, 3794090), (10, 3035272), (16, 1897045), (20, 1517636), (31, 979120), (40, 758818), (62, 489560), (80, 379409), (124, 244780), (155, 195824), (248, 122390), (310, 97912), (496, 61195), (620, 48956), (1240, 24478), (2480, 12239)]