16762980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21491}}^1$

素因数の和:21516

約数の個数: 48

約数和(自身を含む): 50549184

約数和(自身を除く): 33786204

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, 21491, 42982, 64473, 85964, 107455, 128946, 214910, 257892, 279383, 322365, 429820, 558766, 644730, 838149, 1117532, 1289460, 1396915, 1676298, 2793830, 3352596, 4190745, 5587660, 8381490, 16762980]

約数ペア:

[(1, 16762980), (2, 8381490), (3, 5587660), (4, 4190745), (5, 3352596), (6, 2793830), (10, 1676298), (12, 1396915), (13, 1289460), (15, 1117532), (20, 838149), (26, 644730), (30, 558766), (39, 429820), (52, 322365), (60, 279383), (65, 257892), (78, 214910), (130, 128946), (156, 107455), (195, 85964), (260, 64473), (390, 42982), (780, 21491)]