155220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 470400

約数和(自身を除く): 315180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 199, 260, 390, 398, 597, 780, 796, 995, 1194, 1990, 2388, 2587, 2985, 3980, 5174, 5970, 7761, 10348, 11940, 12935, 15522, 25870, 31044, 38805, 51740, 77610, 155220]

約数ペア:

[(1, 155220), (2, 77610), (3, 51740), (4, 38805), (5, 31044), (6, 25870), (10, 15522), (12, 12935), (13, 11940), (15, 10348), (20, 7761), (26, 5970), (30, 5174), (39, 3980), (52, 2985), (60, 2587), (65, 2388), (78, 1990), (130, 1194), (156, 995), (195, 796), (199, 780), (260, 597), (390, 398)]