642617955

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2731}}^1$

素因数の和:2838

約数の個数: 80

約数和(自身を含む): 1332866304

約数和(自身を除く): 690248349

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 83, 105, 135, 189, 249, 315, 405, 415, 567, 581, 747, 945, 1245, 1743, 2241, 2731, 2835, 2905, 3735, 5229, 6723, 8193, 8715, 11205, 13655, 15687, 19117, 24579, 26145, 33615, 40965, 47061, 57351, 73737, 78435, 95585, 122895, 172053, 221211, 226673, 235305, 286755, 368685, 516159, 680019, 860265, 1106055, 1133365, 1548477, 1586711, 2040057, 2580795, 3400095, 4760133, 6120171, 7742385, 7933555, 10200285, 14280399, 18360513, 23800665, 30600855, 42841197, 71401995, 91802565, 128523591, 214205985, 642617955]

約数ペア:

[(1, 642617955), (3, 214205985), (5, 128523591), (7, 91802565), (9, 71401995), (15, 42841197), (21, 30600855), (27, 23800665), (35, 18360513), (45, 14280399), (63, 10200285), (81, 7933555), (83, 7742385), (105, 6120171), (135, 4760133), (189, 3400095), (249, 2580795), (315, 2040057), (405, 1586711), (415, 1548477), (567, 1133365), (581, 1106055), (747, 860265), (945, 680019), (1245, 516159), (1743, 368685), (2241, 286755), (2731, 235305), (2835, 226673), (2905, 221211), (3735, 172053), (5229, 122895), (6723, 95585), (8193, 78435), (8715, 73737), (11205, 57351), (13655, 47061), (15687, 40965), (19117, 33615), (24579, 26145)]