155519940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{136421}}^1$

素因数の和:136452

約数の個数: 48

約数和(自身を含む): 458377920

約数和(自身を除く): 302857980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 136421, 272842, 409263, 545684, 682105, 818526, 1364210, 1637052, 2046315, 2591999, 2728420, 4092630, 5183998, 7775997, 8185260, 10367996, 12959995, 15551994, 25919990, 31103988, 38879985, 51839980, 77759970, 155519940]

約数ペア:

[(1, 155519940), (2, 77759970), (3, 51839980), (4, 38879985), (5, 31103988), (6, 25919990), (10, 15551994), (12, 12959995), (15, 10367996), (19, 8185260), (20, 7775997), (30, 5183998), (38, 4092630), (57, 2728420), (60, 2591999), (76, 2046315), (95, 1637052), (114, 1364210), (190, 818526), (228, 682105), (285, 545684), (380, 409263), (570, 272842), (1140, 136421)]