7402980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9491}}^1$

素因数の和:9516

約数の個数: 48

約数和(自身を含む): 22325184

約数和(自身を除く): 14922204

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, 9491, 18982, 28473, 37964, 47455, 56946, 94910, 113892, 123383, 142365, 189820, 246766, 284730, 370149, 493532, 569460, 616915, 740298, 1233830, 1480596, 1850745, 2467660, 3701490, 7402980]

約数ペア:

[(1, 7402980), (2, 3701490), (3, 2467660), (4, 1850745), (5, 1480596), (6, 1233830), (10, 740298), (12, 616915), (13, 569460), (15, 493532), (20, 370149), (26, 284730), (30, 246766), (39, 189820), (52, 142365), (60, 123383), (65, 113892), (78, 94910), (130, 56946), (156, 47455), (195, 37964), (260, 28473), (390, 18982), (780, 9491)]