639865296

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20477}}^1$

素因数の和:20529

約数の個数: 120

約数和(自身を含む): 2112674304

約数和(自身を除く): 1472809008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 336, 372, 434, 496, 504, 558, 651, 744, 868, 1008, 1116, 1302, 1488, 1736, 1953, 2232, 2604, 3472, 3906, 4464, 5208, 7812, 10416, 15624, 20477, 31248, 40954, 61431, 81908, 122862, 143339, 163816, 184293, 245724, 286678, 327632, 368586, 430017, 491448, 573356, 634787, 737172, 860034, 982896, 1146712, 1269574, 1290051, 1474344, 1720068, 1904361, 2293424, 2539148, 2580102, 2948688, 3440136, 3808722, 4443509, 5078296, 5160204, 5713083, 6880272, 7617444, 8887018, 10156592, 10320408, 11426166, 13330527, 15234888, 17774036, 20640816, 22852332, 26661054, 30469776, 35548072, 39991581, 45704664, 53322108, 71096144, 79983162, 91409328, 106644216, 159966324, 213288432, 319932648, 639865296]

約数ペア:

[(1, 639865296), (2, 319932648), (3, 213288432), (4, 159966324), (6, 106644216), (7, 91409328), (8, 79983162), (9, 71096144), (12, 53322108), (14, 45704664), (16, 39991581), (18, 35548072), (21, 30469776), (24, 26661054), (28, 22852332), (31, 20640816), (36, 17774036), (42, 15234888), (48, 13330527), (56, 11426166), (62, 10320408), (63, 10156592), (72, 8887018), (84, 7617444), (93, 6880272), (112, 5713083), (124, 5160204), (126, 5078296), (144, 4443509), (168, 3808722), (186, 3440136), (217, 2948688), (248, 2580102), (252, 2539148), (279, 2293424), (336, 1904361), (372, 1720068), (434, 1474344), (496, 1290051), (504, 1269574), (558, 1146712), (651, 982896), (744, 860034), (868, 737172), (1008, 634787), (1116, 573356), (1302, 491448), (1488, 430017), (1736, 368586), (1953, 327632), (2232, 286678), (2604, 245724), (3472, 184293), (3906, 163816), (4464, 143339), (5208, 122862), (7812, 81908), (10416, 61431), (15624, 40954), (20477, 31248)]