1285440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:136

約数の個数: 112

約数和(自身を含む): 4437888

約数和(自身を除く): 3152448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 103, 104, 120, 130, 156, 160, 192, 195, 206, 208, 240, 260, 309, 312, 320, 390, 412, 416, 480, 515, 520, 618, 624, 780, 824, 832, 960, 1030, 1040, 1236, 1248, 1339, 1545, 1560, 1648, 2060, 2080, 2472, 2496, 2678, 3090, 3120, 3296, 4017, 4120, 4160, 4944, 5356, 6180, 6240, 6592, 6695, 8034, 8240, 9888, 10712, 12360, 12480, 13390, 16068, 16480, 19776, 20085, 21424, 24720, 26780, 32136, 32960, 40170, 42848, 49440, 53560, 64272, 80340, 85696, 98880, 107120, 128544, 160680, 214240, 257088, 321360, 428480, 642720, 1285440]

約数ペア:

[(1, 1285440), (2, 642720), (3, 428480), (4, 321360), (5, 257088), (6, 214240), (8, 160680), (10, 128544), (12, 107120), (13, 98880), (15, 85696), (16, 80340), (20, 64272), (24, 53560), (26, 49440), (30, 42848), (32, 40170), (39, 32960), (40, 32136), (48, 26780), (52, 24720), (60, 21424), (64, 20085), (65, 19776), (78, 16480), (80, 16068), (96, 13390), (103, 12480), (104, 12360), (120, 10712), (130, 9888), (156, 8240), (160, 8034), (192, 6695), (195, 6592), (206, 6240), (208, 6180), (240, 5356), (260, 4944), (309, 4160), (312, 4120), (320, 4017), (390, 3296), (412, 3120), (416, 3090), (480, 2678), (515, 2496), (520, 2472), (618, 2080), (624, 2060), (780, 1648), (824, 1560), (832, 1545), (960, 1339), (1030, 1248), (1040, 1236)]