153663280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61961}}^1$

素因数の和:62005

約数の個数: 40

約数和(自身を含む): 368797824

約数和(自身を除く): 215134544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 61961, 123922, 247844, 309805, 495688, 619610, 991376, 1239220, 1920791, 2478440, 3841582, 4956880, 7683164, 9603955, 15366328, 19207910, 30732656, 38415820, 76831640, 153663280]

約数ペア:

[(1, 153663280), (2, 76831640), (4, 38415820), (5, 30732656), (8, 19207910), (10, 15366328), (16, 9603955), (20, 7683164), (31, 4956880), (40, 3841582), (62, 2478440), (80, 1920791), (124, 1239220), (155, 991376), (248, 619610), (310, 495688), (496, 309805), (620, 247844), (1240, 123922), (2480, 61961)]