128031720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1066931}}^1$

素因数の和:1066945

約数の個数: 32

約数和(自身を含む): 384095520

約数和(自身を除く): 256063800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1066931, 2133862, 3200793, 4267724, 5334655, 6401586, 8535448, 10669310, 12803172, 16003965, 21338620, 25606344, 32007930, 42677240, 64015860, 128031720]

約数ペア:

[(1, 128031720), (2, 64015860), (3, 42677240), (4, 32007930), (5, 25606344), (6, 21338620), (8, 16003965), (10, 12803172), (12, 10669310), (15, 8535448), (20, 6401586), (24, 5334655), (30, 4267724), (40, 3200793), (60, 2133862), (120, 1066931)]