20797956720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{67021}}^1$

素因数の和:67471

約数の個数: 120

約数和(自身を含む): 70009572672

約数和(自身を除く): 49211615952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 431, 720, 862, 1293, 1724, 2155, 2586, 3448, 3879, 4310, 5172, 6465, 6896, 7758, 8620, 10344, 12930, 15516, 17240, 19395, 20688, 25860, 31032, 34480, 38790, 51720, 62064, 67021, 77580, 103440, 134042, 155160, 201063, 268084, 310320, 335105, 402126, 536168, 603189, 670210, 804252, 1005315, 1072336, 1206378, 1340420, 1608504, 2010630, 2412756, 2680840, 3015945, 3217008, 4021260, 4825512, 5361680, 6031890, 8042520, 9651024, 12063780, 16085040, 24127560, 28886051, 48255120, 57772102, 86658153, 115544204, 144430255, 173316306, 231088408, 259974459, 288860510, 346632612, 433290765, 462176816, 519948918, 577721020, 693265224, 866581530, 1039897836, 1155442040, 1299872295, 1386530448, 1733163060, 2079795672, 2310884080, 2599744590, 3466326120, 4159591344, 5199489180, 6932652240, 10398978360, 20797956720]

約数ペア:

[(1, 20797956720), (2, 10398978360), (3, 6932652240), (4, 5199489180), (5, 4159591344), (6, 3466326120), (8, 2599744590), (9, 2310884080), (10, 2079795672), (12, 1733163060), (15, 1386530448), (16, 1299872295), (18, 1155442040), (20, 1039897836), (24, 866581530), (30, 693265224), (36, 577721020), (40, 519948918), (45, 462176816), (48, 433290765), (60, 346632612), (72, 288860510), (80, 259974459), (90, 231088408), (120, 173316306), (144, 144430255), (180, 115544204), (240, 86658153), (360, 57772102), (431, 48255120), (720, 28886051), (862, 24127560), (1293, 16085040), (1724, 12063780), (2155, 9651024), (2586, 8042520), (3448, 6031890), (3879, 5361680), (4310, 4825512), (5172, 4021260), (6465, 3217008), (6896, 3015945), (7758, 2680840), (8620, 2412756), (10344, 2010630), (12930, 1608504), (15516, 1340420), (17240, 1206378), (19395, 1072336), (20688, 1005315), (25860, 804252), (31032, 670210), (34480, 603189), (38790, 536168), (51720, 402126), (62064, 335105), (67021, 310320), (77580, 268084), (103440, 201063), (134042, 155160)]