81260032

素因数分解:

$2^9\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 120

約数和(自身を含む): 195924960

約数和(自身を除く): 114664928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 64, 79, 82, 98, 112, 128, 158, 164, 196, 224, 256, 287, 316, 328, 392, 448, 512, 553, 574, 632, 656, 784, 896, 1106, 1148, 1264, 1312, 1568, 1792, 2009, 2212, 2296, 2528, 2624, 3136, 3239, 3584, 3871, 4018, 4424, 4592, 5056, 5248, 6272, 6478, 7742, 8036, 8848, 9184, 10112, 10496, 12544, 12956, 15484, 16072, 17696, 18368, 20224, 20992, 22673, 25088, 25912, 30968, 32144, 35392, 36736, 40448, 45346, 51824, 61936, 64288, 70784, 73472, 90692, 103648, 123872, 128576, 141568, 146944, 158711, 181384, 207296, 247744, 257152, 283136, 317422, 362768, 414592, 495488, 514304, 634844, 725536, 829184, 990976, 1028608, 1269688, 1451072, 1658368, 1981952, 2539376, 2902144, 5078752, 5804288, 10157504, 11608576, 20315008, 40630016, 81260032]

約数ペア:

[(1, 81260032), (2, 40630016), (4, 20315008), (7, 11608576), (8, 10157504), (14, 5804288), (16, 5078752), (28, 2902144), (32, 2539376), (41, 1981952), (49, 1658368), (56, 1451072), (64, 1269688), (79, 1028608), (82, 990976), (98, 829184), (112, 725536), (128, 634844), (158, 514304), (164, 495488), (196, 414592), (224, 362768), (256, 317422), (287, 283136), (316, 257152), (328, 247744), (392, 207296), (448, 181384), (512, 158711), (553, 146944), (574, 141568), (632, 128576), (656, 123872), (784, 103648), (896, 90692), (1106, 73472), (1148, 70784), (1264, 64288), (1312, 61936), (1568, 51824), (1792, 45346), (2009, 40448), (2212, 36736), (2296, 35392), (2528, 32144), (2624, 30968), (3136, 25912), (3239, 25088), (3584, 22673), (3871, 20992), (4018, 20224), (4424, 18368), (4592, 17696), (5056, 16072), (5248, 15484), (6272, 12956), (6478, 12544), (7742, 10496), (8036, 10112), (8848, 9184)]