640228301424

素因数分解:

$2^4\times 3^5\times {\mathrm{20357}}^1\times {\mathrm{8089}}^1$

素因数の和:28469

約数の個数: 120

約数和(自身を含む): 1858432146480

約数和(自身を除く): 1218203845056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 8089, 16178, 20357, 24267, 32356, 40714, 48534, 61071, 64712, 72801, 81428, 97068, 122142, 129424, 145602, 162856, 183213, 194136, 218403, 244284, 291204, 325712, 366426, 388272, 436806, 488568, 549639, 582408, 655209, 732852, 873612, 977136, 1099278, 1164816, 1310418, 1465704, 1648917, 1747224, 1965627, 2198556, 2620836, 2931408, 3297834, 3494448, 3931254, 4397112, 4946751, 5241672, 6595668, 7862508, 8794224, 9893502, 10483344, 13191336, 15725016, 19787004, 26382672, 31450032, 39574008, 79148016, 164667773, 329335546, 494003319, 658671092, 988006638, 1317342184, 1482009957, 1976013276, 2634684368, 2964019914, 3952026552, 4446029871, 5928039828, 7904053104, 8892059742, 11856079656, 13338089613, 17784119484, 23712159312, 26676179226, 35568238968, 40014268839, 53352358452, 71136477936, 80028537678, 106704716904, 160057075356, 213409433808, 320114150712, 640228301424]

約数ペア:

[(1, 640228301424), (2, 320114150712), (3, 213409433808), (4, 160057075356), (6, 106704716904), (8, 80028537678), (9, 71136477936), (12, 53352358452), (16, 40014268839), (18, 35568238968), (24, 26676179226), (27, 23712159312), (36, 17784119484), (48, 13338089613), (54, 11856079656), (72, 8892059742), (81, 7904053104), (108, 5928039828), (144, 4446029871), (162, 3952026552), (216, 2964019914), (243, 2634684368), (324, 1976013276), (432, 1482009957), (486, 1317342184), (648, 988006638), (972, 658671092), (1296, 494003319), (1944, 329335546), (3888, 164667773), (8089, 79148016), (16178, 39574008), (20357, 31450032), (24267, 26382672), (32356, 19787004), (40714, 15725016), (48534, 13191336), (61071, 10483344), (64712, 9893502), (72801, 8794224), (81428, 7862508), (97068, 6595668), (122142, 5241672), (129424, 4946751), (145602, 4397112), (162856, 3931254), (183213, 3494448), (194136, 3297834), (218403, 2931408), (244284, 2620836), (291204, 2198556), (325712, 1965627), (366426, 1747224), (388272, 1648917), (436806, 1465704), (488568, 1310418), (549639, 1164816), (582408, 1099278), (655209, 977136), (732852, 873612)]