1219128960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{90709}}^1$

素因数の和:90738

約数の個数: 128

約数和(自身を含む): 4441161600

約数和(自身を除く): 3222032640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 90709, 181418, 272127, 362836, 453545, 544254, 634963, 725672, 907090, 1088508, 1269926, 1360635, 1451344, 1814180, 1904889, 2177016, 2539852, 2721270, 2902688, 3174815, 3628360, 3809778, 4354032, 5079704, 5442540, 5805376, 6349630, 7256720, 7619556, 8708064, 9524445, 10159408, 10885080, 11610752, 12699260, 14513440, 15239112, 17416128, 19048890, 20318816, 21770160, 25398520, 29026880, 30478224, 34832256, 38097780, 40637632, 43540320, 50797040, 58053760, 60956448, 76195560, 81275264, 87080640, 101594080, 121912896, 152391120, 174161280, 203188160, 243825792, 304782240, 406376320, 609564480, 1219128960]

約数ペア:

[(1, 1219128960), (2, 609564480), (3, 406376320), (4, 304782240), (5, 243825792), (6, 203188160), (7, 174161280), (8, 152391120), (10, 121912896), (12, 101594080), (14, 87080640), (15, 81275264), (16, 76195560), (20, 60956448), (21, 58053760), (24, 50797040), (28, 43540320), (30, 40637632), (32, 38097780), (35, 34832256), (40, 30478224), (42, 29026880), (48, 25398520), (56, 21770160), (60, 20318816), (64, 19048890), (70, 17416128), (80, 15239112), (84, 14513440), (96, 12699260), (105, 11610752), (112, 10885080), (120, 10159408), (128, 9524445), (140, 8708064), (160, 7619556), (168, 7256720), (192, 6349630), (210, 5805376), (224, 5442540), (240, 5079704), (280, 4354032), (320, 3809778), (336, 3628360), (384, 3174815), (420, 2902688), (448, 2721270), (480, 2539852), (560, 2177016), (640, 1904889), (672, 1814180), (840, 1451344), (896, 1360635), (960, 1269926), (1120, 1088508), (1344, 907090), (1680, 725672), (1920, 634963), (2240, 544254), (2688, 453545), (3360, 362836), (4480, 272127), (6720, 181418), (13440, 90709)]