149781720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{487}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 493309440

約数和(自身を除く): 343527720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 233, 264, 330, 440, 466, 487, 660, 699, 932, 974, 1165, 1320, 1398, 1461, 1864, 1948, 2330, 2435, 2563, 2796, 2922, 3495, 3896, 4660, 4870, 5126, 5357, 5592, 5844, 6990, 7305, 7689, 9320, 9740, 10252, 10714, 11688, 12815, 13980, 14610, 15378, 16071, 19480, 20504, 21428, 25630, 26785, 27960, 29220, 30756, 32142, 38445, 42856, 51260, 53570, 58440, 61512, 64284, 76890, 80355, 102520, 107140, 113471, 128568, 153780, 160710, 214280, 226942, 307560, 321420, 340413, 453884, 567355, 642840, 680826, 907768, 1134710, 1248181, 1361652, 1702065, 2269420, 2496362, 2723304, 3404130, 3744543, 4538840, 4992724, 6240905, 6808260, 7489086, 9985448, 12481810, 13616520, 14978172, 18722715, 24963620, 29956344, 37445430, 49927240, 74890860, 149781720]

約数ペア:

[(1, 149781720), (2, 74890860), (3, 49927240), (4, 37445430), (5, 29956344), (6, 24963620), (8, 18722715), (10, 14978172), (11, 13616520), (12, 12481810), (15, 9985448), (20, 7489086), (22, 6808260), (24, 6240905), (30, 4992724), (33, 4538840), (40, 3744543), (44, 3404130), (55, 2723304), (60, 2496362), (66, 2269420), (88, 1702065), (110, 1361652), (120, 1248181), (132, 1134710), (165, 907768), (220, 680826), (233, 642840), (264, 567355), (330, 453884), (440, 340413), (466, 321420), (487, 307560), (660, 226942), (699, 214280), (932, 160710), (974, 153780), (1165, 128568), (1320, 113471), (1398, 107140), (1461, 102520), (1864, 80355), (1948, 76890), (2330, 64284), (2435, 61512), (2563, 58440), (2796, 53570), (2922, 51260), (3495, 42856), (3896, 38445), (4660, 32142), (4870, 30756), (5126, 29220), (5357, 27960), (5592, 26785), (5844, 25630), (6990, 21428), (7305, 20504), (7689, 19480), (9320, 16071), (9740, 15378), (10252, 14610), (10714, 13980), (11688, 12815)]