184678520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{809}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 449064000

約数和(自身を除く): 264385480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 439, 520, 809, 878, 1618, 1756, 2195, 3236, 3512, 4045, 4390, 5707, 6472, 8090, 8780, 10517, 11414, 16180, 17560, 21034, 22828, 28535, 32360, 42068, 45656, 52585, 57070, 84136, 105170, 114140, 210340, 228280, 355151, 420680, 710302, 1420604, 1775755, 2841208, 3551510, 4616963, 7103020, 9233926, 14206040, 18467852, 23084815, 36935704, 46169630, 92339260, 184678520]

約数ペア:

[(1, 184678520), (2, 92339260), (4, 46169630), (5, 36935704), (8, 23084815), (10, 18467852), (13, 14206040), (20, 9233926), (26, 7103020), (40, 4616963), (52, 3551510), (65, 2841208), (104, 1775755), (130, 1420604), (260, 710302), (439, 420680), (520, 355151), (809, 228280), (878, 210340), (1618, 114140), (1756, 105170), (2195, 84136), (3236, 57070), (3512, 52585), (4045, 45656), (4390, 42068), (5707, 32360), (6472, 28535), (8090, 22828), (8780, 21034), (10517, 17560), (11414, 16180)]