129487980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126949}}^1$

素因数の和:126978

約数の個数: 48

約数和(自身を含む): 383896800

約数和(自身を除く): 254408820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 126949, 253898, 380847, 507796, 634745, 761694, 1269490, 1523388, 1904235, 2158133, 2538980, 3808470, 4316266, 6474399, 7616940, 8632532, 10790665, 12948798, 21581330, 25897596, 32371995, 43162660, 64743990, 129487980]

約数ペア:

[(1, 129487980), (2, 64743990), (3, 43162660), (4, 32371995), (5, 25897596), (6, 21581330), (10, 12948798), (12, 10790665), (15, 8632532), (17, 7616940), (20, 6474399), (30, 4316266), (34, 3808470), (51, 2538980), (60, 2158133), (68, 1904235), (85, 1523388), (102, 1269490), (170, 761694), (204, 634745), (255, 507796), (340, 380847), (510, 253898), (1020, 126949)]