138437120

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3181}}^1$

素因数の和:3221

約数の個数: 80

約数和(自身を含む): 351560088

約数和(自身を除く): 213122968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 3181, 4352, 5440, 6362, 8704, 10880, 12724, 15905, 21760, 25448, 31810, 43520, 50896, 54077, 63620, 101792, 108154, 127240, 203584, 216308, 254480, 270385, 407168, 432616, 508960, 540770, 814336, 865232, 1017920, 1081540, 1628672, 1730464, 2035840, 2163080, 3460928, 4071680, 4326160, 6921856, 8143360, 8652320, 13843712, 17304640, 27687424, 34609280, 69218560, 138437120]

約数ペア:

[(1, 138437120), (2, 69218560), (4, 34609280), (5, 27687424), (8, 17304640), (10, 13843712), (16, 8652320), (17, 8143360), (20, 6921856), (32, 4326160), (34, 4071680), (40, 3460928), (64, 2163080), (68, 2035840), (80, 1730464), (85, 1628672), (128, 1081540), (136, 1017920), (160, 865232), (170, 814336), (256, 540770), (272, 508960), (320, 432616), (340, 407168), (512, 270385), (544, 254480), (640, 216308), (680, 203584), (1088, 127240), (1280, 108154), (1360, 101792), (2176, 63620), (2560, 54077), (2720, 50896), (3181, 43520), (4352, 31810), (5440, 25448), (6362, 21760), (8704, 15905), (10880, 12724)]