128707760

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22039}}^1$

素因数の和:22125

約数の個数: 40

約数和(自身を含む): 303358560

約数和(自身を除く): 174650800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 22039, 44078, 88156, 110195, 176312, 220390, 352624, 440780, 881560, 1608847, 1763120, 3217694, 6435388, 8044235, 12870776, 16088470, 25741552, 32176940, 64353880, 128707760]

約数ペア:

[(1, 128707760), (2, 64353880), (4, 32176940), (5, 25741552), (8, 16088470), (10, 12870776), (16, 8044235), (20, 6435388), (40, 3217694), (73, 1763120), (80, 1608847), (146, 881560), (292, 440780), (365, 352624), (584, 220390), (730, 176312), (1168, 110195), (1460, 88156), (2920, 44078), (5840, 22039)]