642720

素因数分解:

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

素因数の和:134

約数の個数: 96

約数和(自身を含む): 2201472

約数和(自身を除く): 1558752

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, 65, 78, 80, 96, 103, 104, 120, 130, 156, 160, 195, 206, 208, 240, 260, 309, 312, 390, 412, 416, 480, 515, 520, 618, 624, 780, 824, 1030, 1040, 1236, 1248, 1339, 1545, 1560, 1648, 2060, 2080, 2472, 2678, 3090, 3120, 3296, 4017, 4120, 4944, 5356, 6180, 6240, 6695, 8034, 8240, 9888, 10712, 12360, 13390, 16068, 16480, 20085, 21424, 24720, 26780, 32136, 40170, 42848, 49440, 53560, 64272, 80340, 107120, 128544, 160680, 214240, 321360, 642720]

約数ペア:

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