640696716

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1933}}^1$

素因数の和:1994

約数の個数: 144

約数和(自身を含む): 1892287488

約数和(自身を除く): 1251590772

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 31, 33, 36, 44, 54, 62, 66, 81, 93, 99, 108, 124, 132, 162, 186, 198, 243, 279, 297, 324, 341, 372, 396, 486, 558, 594, 682, 837, 891, 972, 1023, 1116, 1188, 1364, 1674, 1782, 1933, 2046, 2511, 2673, 3069, 3348, 3564, 3866, 4092, 5022, 5346, 5799, 6138, 7533, 7732, 9207, 10044, 10692, 11598, 12276, 15066, 17397, 18414, 21263, 23196, 27621, 30132, 34794, 36828, 42526, 52191, 55242, 59923, 63789, 69588, 82863, 85052, 104382, 110484, 119846, 127578, 156573, 165726, 179769, 191367, 208764, 239692, 255156, 313146, 331452, 359538, 382734, 469719, 539307, 574101, 626292, 659153, 719076, 765468, 939438, 1078614, 1148202, 1318306, 1617921, 1722303, 1878876, 1977459, 2157228, 2296404, 2636612, 3235842, 3444606, 3954918, 4853763, 5166909, 5932377, 6471684, 6889212, 7909836, 9707526, 10333818, 11864754, 14561289, 17797131, 19415052, 20667636, 23729508, 29122578, 35594262, 53391393, 58245156, 71188524, 106782786, 160174179, 213565572, 320348358, 640696716]

約数ペア:

[(1, 640696716), (2, 320348358), (3, 213565572), (4, 160174179), (6, 106782786), (9, 71188524), (11, 58245156), (12, 53391393), (18, 35594262), (22, 29122578), (27, 23729508), (31, 20667636), (33, 19415052), (36, 17797131), (44, 14561289), (54, 11864754), (62, 10333818), (66, 9707526), (81, 7909836), (93, 6889212), (99, 6471684), (108, 5932377), (124, 5166909), (132, 4853763), (162, 3954918), (186, 3444606), (198, 3235842), (243, 2636612), (279, 2296404), (297, 2157228), (324, 1977459), (341, 1878876), (372, 1722303), (396, 1617921), (486, 1318306), (558, 1148202), (594, 1078614), (682, 939438), (837, 765468), (891, 719076), (972, 659153), (1023, 626292), (1116, 574101), (1188, 539307), (1364, 469719), (1674, 382734), (1782, 359538), (1933, 331452), (2046, 313146), (2511, 255156), (2673, 239692), (3069, 208764), (3348, 191367), (3564, 179769), (3866, 165726), (4092, 156573), (5022, 127578), (5346, 119846), (5799, 110484), (6138, 104382), (7533, 85052), (7732, 82863), (9207, 69588), (10044, 63789), (10692, 59923), (11598, 55242), (12276, 52191), (15066, 42526), (17397, 36828), (18414, 34794), (21263, 30132), (23196, 27621)]