161036720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:359

約数の個数: 120

約数和(自身を含む): 416352816

約数和(自身を除く): 255316096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 169, 172, 208, 215, 260, 277, 338, 344, 430, 520, 554, 559, 676, 688, 845, 860, 1040, 1108, 1118, 1352, 1385, 1690, 1720, 2216, 2236, 2704, 2770, 2795, 3380, 3440, 3601, 4432, 4472, 5540, 5590, 6760, 7202, 7267, 8944, 11080, 11180, 11911, 13520, 14404, 14534, 18005, 22160, 22360, 23822, 28808, 29068, 36010, 36335, 44720, 46813, 47644, 57616, 58136, 59555, 72020, 72670, 93626, 95288, 116272, 119110, 144040, 145340, 154843, 187252, 190576, 234065, 238220, 288080, 290680, 309686, 374504, 468130, 476440, 581360, 619372, 749008, 774215, 936260, 952880, 1238744, 1548430, 1872520, 2012959, 2477488, 3096860, 3745040, 4025918, 6193720, 8051836, 10064795, 12387440, 16103672, 20129590, 32207344, 40259180, 80518360, 161036720]

約数ペア:

[(1, 161036720), (2, 80518360), (4, 40259180), (5, 32207344), (8, 20129590), (10, 16103672), (13, 12387440), (16, 10064795), (20, 8051836), (26, 6193720), (40, 4025918), (43, 3745040), (52, 3096860), (65, 2477488), (80, 2012959), (86, 1872520), (104, 1548430), (130, 1238744), (169, 952880), (172, 936260), (208, 774215), (215, 749008), (260, 619372), (277, 581360), (338, 476440), (344, 468130), (430, 374504), (520, 309686), (554, 290680), (559, 288080), (676, 238220), (688, 234065), (845, 190576), (860, 187252), (1040, 154843), (1108, 145340), (1118, 144040), (1352, 119110), (1385, 116272), (1690, 95288), (1720, 93626), (2216, 72670), (2236, 72020), (2704, 59555), (2770, 58136), (2795, 57616), (3380, 47644), (3440, 46813), (3601, 44720), (4432, 36335), (4472, 36010), (5540, 29068), (5590, 28808), (6760, 23822), (7202, 22360), (7267, 22160), (8944, 18005), (11080, 14534), (11180, 14404), (11911, 13520)]