2155441680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{661}}^1$

素因数の和:1334

約数の個数: 240

約数和(自身を含む): 8298111744

約数和(自身を除く): 6142670064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 647, 661, 720, 840, 1008, 1260, 1294, 1322, 1680, 1941, 1983, 2520, 2588, 2644, 3235, 3305, 3882, 3966, 4529, 4627, 5040, 5176, 5288, 5823, 5949, 6470, 6610, 7764, 7932, 9058, 9254, 9705, 9915, 10352, 10576, 11646, 11898, 12940, 13220, 13587, 13881, 15528, 15864, 18116, 18508, 19410, 19830, 22645, 23135, 23292, 23796, 25880, 26440, 27174, 27762, 29115, 29745, 31056, 31728, 36232, 37016, 38820, 39660, 40761, 41643, 45290, 46270, 46584, 47592, 51760, 52880, 54348, 55524, 58230, 59490, 67935, 69405, 72464, 74032, 77640, 79320, 81522, 83286, 90580, 92540, 93168, 95184, 108696, 111048, 116460, 118980, 135870, 138810, 155280, 158640, 163044, 166572, 181160, 185080, 203805, 208215, 217392, 222096, 232920, 237960, 271740, 277620, 326088, 333144, 362320, 370160, 407610, 416430, 427667, 465840, 475920, 543480, 555240, 652176, 666288, 815220, 832860, 855334, 1086960, 1110480, 1283001, 1630440, 1665720, 1710668, 2138335, 2566002, 2993669, 3260880, 3331440, 3421336, 3849003, 4276670, 5132004, 5987338, 6415005, 6842672, 7698006, 8553340, 8981007, 10264008, 11974676, 12830010, 14968345, 15396012, 17106680, 17962014, 19245015, 20528016, 23949352, 25660020, 26943021, 29936690, 30792024, 34213360, 35924028, 38490030, 44905035, 47898704, 51320040, 53886042, 59873380, 61584048, 71848056, 76980060, 89810070, 102640080, 107772084, 119746760, 134715105, 143696112, 153960120, 179620140, 215544168, 239493520, 269430210, 307920240, 359240280, 431088336, 538860420, 718480560, 1077720840, 2155441680]

約数ペア:

[(1, 2155441680), (2, 1077720840), (3, 718480560), (4, 538860420), (5, 431088336), (6, 359240280), (7, 307920240), (8, 269430210), (9, 239493520), (10, 215544168), (12, 179620140), (14, 153960120), (15, 143696112), (16, 134715105), (18, 119746760), (20, 107772084), (21, 102640080), (24, 89810070), (28, 76980060), (30, 71848056), (35, 61584048), (36, 59873380), (40, 53886042), (42, 51320040), (45, 47898704), (48, 44905035), (56, 38490030), (60, 35924028), (63, 34213360), (70, 30792024), (72, 29936690), (80, 26943021), (84, 25660020), (90, 23949352), (105, 20528016), (112, 19245015), (120, 17962014), (126, 17106680), (140, 15396012), (144, 14968345), (168, 12830010), (180, 11974676), (210, 10264008), (240, 8981007), (252, 8553340), (280, 7698006), (315, 6842672), (336, 6415005), (360, 5987338), (420, 5132004), (504, 4276670), (560, 3849003), (630, 3421336), (647, 3331440), (661, 3260880), (720, 2993669), (840, 2566002), (1008, 2138335), (1260, 1710668), (1294, 1665720), (1322, 1630440), (1680, 1283001), (1941, 1110480), (1983, 1086960), (2520, 855334), (2588, 832860), (2644, 815220), (3235, 666288), (3305, 652176), (3882, 555240), (3966, 543480), (4529, 475920), (4627, 465840), (5040, 427667), (5176, 416430), (5288, 407610), (5823, 370160), (5949, 362320), (6470, 333144), (6610, 326088), (7764, 277620), (7932, 271740), (9058, 237960), (9254, 232920), (9705, 222096), (9915, 217392), (10352, 208215), (10576, 203805), (11646, 185080), (11898, 181160), (12940, 166572), (13220, 163044), (13587, 158640), (13881, 155280), (15528, 138810), (15864, 135870), (18116, 118980), (18508, 116460), (19410, 111048), (19830, 108696), (22645, 95184), (23135, 93168), (23292, 92540), (23796, 90580), (25880, 83286), (26440, 81522), (27174, 79320), (27762, 77640), (29115, 74032), (29745, 72464), (31056, 69405), (31728, 67935), (36232, 59490), (37016, 58230), (38820, 55524), (39660, 54348), (40761, 52880), (41643, 51760), (45290, 47592), (46270, 46584)]