130718720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 132

約数和(自身を含む): 346303272

約数和(自身を除く): 215584552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 211, 220, 242, 256, 320, 352, 422, 440, 484, 512, 605, 640, 704, 844, 880, 968, 1024, 1055, 1210, 1280, 1408, 1688, 1760, 1936, 2110, 2321, 2420, 2560, 2816, 3376, 3520, 3872, 4220, 4642, 4840, 5120, 5632, 6752, 7040, 7744, 8440, 9284, 9680, 11264, 11605, 13504, 14080, 15488, 16880, 18568, 19360, 23210, 25531, 27008, 28160, 30976, 33760, 37136, 38720, 46420, 51062, 54016, 56320, 61952, 67520, 74272, 77440, 92840, 102124, 108032, 123904, 127655, 135040, 148544, 154880, 185680, 204248, 216064, 255310, 270080, 297088, 309760, 371360, 408496, 510620, 540160, 594176, 619520, 742720, 816992, 1021240, 1080320, 1188352, 1485440, 1633984, 2042480, 2376704, 2970880, 3267968, 4084960, 5941760, 6535936, 8169920, 11883520, 13071872, 16339840, 26143744, 32679680, 65359360, 130718720]

約数ペア:

[(1, 130718720), (2, 65359360), (4, 32679680), (5, 26143744), (8, 16339840), (10, 13071872), (11, 11883520), (16, 8169920), (20, 6535936), (22, 5941760), (32, 4084960), (40, 3267968), (44, 2970880), (55, 2376704), (64, 2042480), (80, 1633984), (88, 1485440), (110, 1188352), (121, 1080320), (128, 1021240), (160, 816992), (176, 742720), (211, 619520), (220, 594176), (242, 540160), (256, 510620), (320, 408496), (352, 371360), (422, 309760), (440, 297088), (484, 270080), (512, 255310), (605, 216064), (640, 204248), (704, 185680), (844, 154880), (880, 148544), (968, 135040), (1024, 127655), (1055, 123904), (1210, 108032), (1280, 102124), (1408, 92840), (1688, 77440), (1760, 74272), (1936, 67520), (2110, 61952), (2321, 56320), (2420, 54016), (2560, 51062), (2816, 46420), (3376, 38720), (3520, 37136), (3872, 33760), (4220, 30976), (4642, 28160), (4840, 27008), (5120, 25531), (5632, 23210), (6752, 19360), (7040, 18568), (7744, 16880), (8440, 15488), (9284, 14080), (9680, 13504), (11264, 11605)]