2548687440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{816887}}^1$

素因数の和:816916

約数の個数: 80

約数和(自身を含む): 8508705408

約数和(自身を除く): 5960017968

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, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 816887, 1633774, 2450661, 3267548, 4084435, 4901322, 6535096, 8168870, 9802644, 10619531, 12253305, 13070192, 16337740, 19605288, 21239062, 24506610, 31858593, 32675480, 39210576, 42478124, 49013220, 53097655, 63717186, 65350960, 84956248, 98026440, 106195310, 127434372, 159292965, 169912496, 196052880, 212390620, 254868744, 318585930, 424781240, 509737488, 637171860, 849562480, 1274343720, 2548687440]

約数ペア:

[(1, 2548687440), (2, 1274343720), (3, 849562480), (4, 637171860), (5, 509737488), (6, 424781240), (8, 318585930), (10, 254868744), (12, 212390620), (13, 196052880), (15, 169912496), (16, 159292965), (20, 127434372), (24, 106195310), (26, 98026440), (30, 84956248), (39, 65350960), (40, 63717186), (48, 53097655), (52, 49013220), (60, 42478124), (65, 39210576), (78, 32675480), (80, 31858593), (104, 24506610), (120, 21239062), (130, 19605288), (156, 16337740), (195, 13070192), (208, 12253305), (240, 10619531), (260, 9802644), (312, 8168870), (390, 6535096), (520, 4901322), (624, 4084435), (780, 3267548), (1040, 2450661), (1560, 1633774), (3120, 816887)]