321360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:132

約数の個数: 80

約数和(自身を含む): 1083264

約数和(自身を除く): 761904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 103, 104, 120, 130, 156, 195, 206, 208, 240, 260, 309, 312, 390, 412, 515, 520, 618, 624, 780, 824, 1030, 1040, 1236, 1339, 1545, 1560, 1648, 2060, 2472, 2678, 3090, 3120, 4017, 4120, 4944, 5356, 6180, 6695, 8034, 8240, 10712, 12360, 13390, 16068, 20085, 21424, 24720, 26780, 32136, 40170, 53560, 64272, 80340, 107120, 160680, 321360]

約数ペア:

[(1, 321360), (2, 160680), (3, 107120), (4, 80340), (5, 64272), (6, 53560), (8, 40170), (10, 32136), (12, 26780), (13, 24720), (15, 21424), (16, 20085), (20, 16068), (24, 13390), (26, 12360), (30, 10712), (39, 8240), (40, 8034), (48, 6695), (52, 6180), (60, 5356), (65, 4944), (78, 4120), (80, 4017), (103, 3120), (104, 3090), (120, 2678), (130, 2472), (156, 2060), (195, 1648), (206, 1560), (208, 1545), (240, 1339), (260, 1236), (309, 1040), (312, 1030), (390, 824), (412, 780), (515, 624), (520, 618)]