1821040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:146

約数の個数: 80

約数和(自身を含む): 4874688

約数和(自身を除く): 3053648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 103, 104, 130, 136, 170, 206, 208, 221, 260, 272, 340, 412, 442, 515, 520, 680, 824, 884, 1030, 1040, 1105, 1339, 1360, 1648, 1751, 1768, 2060, 2210, 2678, 3502, 3536, 4120, 4420, 5356, 6695, 7004, 8240, 8755, 8840, 10712, 13390, 14008, 17510, 17680, 21424, 22763, 26780, 28016, 35020, 45526, 53560, 70040, 91052, 107120, 113815, 140080, 182104, 227630, 364208, 455260, 910520, 1821040]

約数ペア:

[(1, 1821040), (2, 910520), (4, 455260), (5, 364208), (8, 227630), (10, 182104), (13, 140080), (16, 113815), (17, 107120), (20, 91052), (26, 70040), (34, 53560), (40, 45526), (52, 35020), (65, 28016), (68, 26780), (80, 22763), (85, 21424), (103, 17680), (104, 17510), (130, 14008), (136, 13390), (170, 10712), (206, 8840), (208, 8755), (221, 8240), (260, 7004), (272, 6695), (340, 5356), (412, 4420), (442, 4120), (515, 3536), (520, 3502), (680, 2678), (824, 2210), (884, 2060), (1030, 1768), (1040, 1751), (1105, 1648), (1339, 1360)]