15601820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 36832320

約数和(自身を除く): 21230500

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2609, 2990, 5218, 5980, 10436, 13045, 26090, 33917, 52180, 60007, 67834, 120014, 135668, 169585, 240028, 300035, 339170, 600070, 678340, 780091, 1200140, 1560182, 3120364, 3900455, 7800910, 15601820]

約数ペア:

[(1, 15601820), (2, 7800910), (4, 3900455), (5, 3120364), (10, 1560182), (13, 1200140), (20, 780091), (23, 678340), (26, 600070), (46, 339170), (52, 300035), (65, 240028), (92, 169585), (115, 135668), (130, 120014), (230, 67834), (260, 60007), (299, 52180), (460, 33917), (598, 26090), (1196, 13045), (1495, 10436), (2609, 5980), (2990, 5218)]