127568720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51439}}^1$

素因数の和:51483

約数の個数: 40

約数和(自身を含む): 306170880

約数和(自身を除く): 178602160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 51439, 102878, 205756, 257195, 411512, 514390, 823024, 1028780, 1594609, 2057560, 3189218, 4115120, 6378436, 7973045, 12756872, 15946090, 25513744, 31892180, 63784360, 127568720]

約数ペア:

[(1, 127568720), (2, 63784360), (4, 31892180), (5, 25513744), (8, 15946090), (10, 12756872), (16, 7973045), (20, 6378436), (31, 4115120), (40, 3189218), (62, 2057560), (80, 1594609), (124, 1028780), (155, 823024), (248, 514390), (310, 411512), (496, 257195), (620, 205756), (1240, 102878), (2480, 51439)]