13642980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17491}}^1$

素因数の和:17516

約数の個数: 48

約数和(自身を含む): 41141184

約数和(自身を除く): 27498204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 17491, 34982, 52473, 69964, 87455, 104946, 174910, 209892, 227383, 262365, 349820, 454766, 524730, 682149, 909532, 1049460, 1136915, 1364298, 2273830, 2728596, 3410745, 4547660, 6821490, 13642980]

約数ペア:

[(1, 13642980), (2, 6821490), (3, 4547660), (4, 3410745), (5, 2728596), (6, 2273830), (10, 1364298), (12, 1136915), (13, 1049460), (15, 909532), (20, 682149), (26, 524730), (30, 454766), (39, 349820), (52, 262365), (60, 227383), (65, 209892), (78, 174910), (130, 104946), (156, 87455), (195, 69964), (260, 52473), (390, 34982), (780, 17491)]