56446720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 155998080

約数和(自身を除く): 99551360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 211, 220, 256, 304, 320, 352, 380, 418, 422, 440, 608, 640, 704, 760, 836, 844, 880, 1045, 1055, 1216, 1280, 1408, 1520, 1672, 1688, 1760, 2090, 2110, 2321, 2432, 2816, 3040, 3344, 3376, 3520, 4009, 4180, 4220, 4642, 4864, 6080, 6688, 6752, 7040, 8018, 8360, 8440, 9284, 11605, 12160, 13376, 13504, 14080, 16036, 16720, 16880, 18568, 20045, 23210, 24320, 26752, 27008, 32072, 33440, 33760, 37136, 40090, 44099, 46420, 53504, 54016, 64144, 66880, 67520, 74272, 80180, 88198, 92840, 128288, 133760, 135040, 148544, 160360, 176396, 185680, 220495, 256576, 267520, 270080, 297088, 320720, 352792, 371360, 440990, 513152, 594176, 641440, 705584, 742720, 881980, 1026304, 1282880, 1411168, 1485440, 1763960, 2565760, 2822336, 2970880, 3527920, 5131520, 5644672, 7055840, 11289344, 14111680, 28223360, 56446720]

約数ペア:

[(1, 56446720), (2, 28223360), (4, 14111680), (5, 11289344), (8, 7055840), (10, 5644672), (11, 5131520), (16, 3527920), (19, 2970880), (20, 2822336), (22, 2565760), (32, 1763960), (38, 1485440), (40, 1411168), (44, 1282880), (55, 1026304), (64, 881980), (76, 742720), (80, 705584), (88, 641440), (95, 594176), (110, 513152), (128, 440990), (152, 371360), (160, 352792), (176, 320720), (190, 297088), (209, 270080), (211, 267520), (220, 256576), (256, 220495), (304, 185680), (320, 176396), (352, 160360), (380, 148544), (418, 135040), (422, 133760), (440, 128288), (608, 92840), (640, 88198), (704, 80180), (760, 74272), (836, 67520), (844, 66880), (880, 64144), (1045, 54016), (1055, 53504), (1216, 46420), (1280, 44099), (1408, 40090), (1520, 37136), (1672, 33760), (1688, 33440), (1760, 32072), (2090, 27008), (2110, 26752), (2321, 24320), (2432, 23210), (2816, 20045), (3040, 18568), (3344, 16880), (3376, 16720), (3520, 16036), (4009, 14080), (4180, 13504), (4220, 13376), (4642, 12160), (4864, 11605), (6080, 9284), (6688, 8440), (6752, 8360), (7040, 8018)]