161821440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1277}}^1$

素因数の和:1315

約数の個数: 216

約数和(自身を含む): 611262288

約数和(自身を除く): 449440848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1056, 1152, 1277, 1280, 1320, 1408, 1440, 1584, 1760, 1920, 1980, 2112, 2304, 2554, 2640, 2816, 2880, 3168, 3520, 3831, 3840, 3960, 4224, 5108, 5280, 5760, 6336, 6385, 7040, 7662, 7920, 8448, 10216, 10560, 11493, 11520, 12672, 12770, 14047, 14080, 15324, 15840, 19155, 20432, 21120, 22986, 25344, 25540, 28094, 30648, 31680, 38310, 40864, 42141, 42240, 45972, 51080, 56188, 57465, 61296, 63360, 70235, 76620, 81728, 84282, 91944, 102160, 112376, 114930, 122592, 126423, 126720, 140470, 153240, 163456, 168564, 183888, 204320, 210705, 224752, 229860, 245184, 252846, 280940, 306480, 326912, 337128, 367776, 408640, 421410, 449504, 459720, 490368, 505692, 561880, 612960, 632115, 674256, 735552, 817280, 842820, 899008, 919440, 980736, 1011384, 1123760, 1225920, 1264230, 1348512, 1471104, 1634560, 1685640, 1798016, 1838880, 2022768, 2247520, 2451840, 2528460, 2697024, 2942208, 3371280, 3596032, 3677760, 4045536, 4495040, 4903680, 5056920, 5394048, 6742560, 7355520, 8091072, 8990080, 10113840, 10788096, 13485120, 14711040, 16182144, 17980160, 20227680, 26970240, 32364288, 40455360, 53940480, 80910720, 161821440]

約数ペア:

[(1, 161821440), (2, 80910720), (3, 53940480), (4, 40455360), (5, 32364288), (6, 26970240), (8, 20227680), (9, 17980160), (10, 16182144), (11, 14711040), (12, 13485120), (15, 10788096), (16, 10113840), (18, 8990080), (20, 8091072), (22, 7355520), (24, 6742560), (30, 5394048), (32, 5056920), (33, 4903680), (36, 4495040), (40, 4045536), (44, 3677760), (45, 3596032), (48, 3371280), (55, 2942208), (60, 2697024), (64, 2528460), (66, 2451840), (72, 2247520), (80, 2022768), (88, 1838880), (90, 1798016), (96, 1685640), (99, 1634560), (110, 1471104), (120, 1348512), (128, 1264230), (132, 1225920), (144, 1123760), (160, 1011384), (165, 980736), (176, 919440), (180, 899008), (192, 842820), (198, 817280), (220, 735552), (240, 674256), (256, 632115), (264, 612960), (288, 561880), (320, 505692), (330, 490368), (352, 459720), (360, 449504), (384, 421410), (396, 408640), (440, 367776), (480, 337128), (495, 326912), (528, 306480), (576, 280940), (640, 252846), (660, 245184), (704, 229860), (720, 224752), (768, 210705), (792, 204320), (880, 183888), (960, 168564), (990, 163456), (1056, 153240), (1152, 140470), (1277, 126720), (1280, 126423), (1320, 122592), (1408, 114930), (1440, 112376), (1584, 102160), (1760, 91944), (1920, 84282), (1980, 81728), (2112, 76620), (2304, 70235), (2554, 63360), (2640, 61296), (2816, 57465), (2880, 56188), (3168, 51080), (3520, 45972), (3831, 42240), (3840, 42141), (3960, 40864), (4224, 38310), (5108, 31680), (5280, 30648), (5760, 28094), (6336, 25540), (6385, 25344), (7040, 22986), (7662, 21120), (7920, 20432), (8448, 19155), (10216, 15840), (10560, 15324), (11493, 14080), (11520, 14047), (12672, 12770)]