400598640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:496

約数の個数: 240

約数和(自身を含む): 1464572928

約数和(自身を除く): 1063974288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 127, 130, 144, 156, 180, 195, 208, 234, 240, 254, 260, 312, 337, 360, 381, 390, 468, 508, 520, 585, 624, 635, 674, 720, 762, 780, 936, 1011, 1016, 1040, 1143, 1170, 1270, 1348, 1524, 1560, 1651, 1685, 1872, 1905, 2022, 2032, 2286, 2340, 2540, 2696, 3033, 3048, 3120, 3302, 3370, 3810, 4044, 4381, 4572, 4680, 4953, 5055, 5080, 5392, 5715, 6066, 6096, 6604, 6740, 7620, 8088, 8255, 8762, 9144, 9360, 9906, 10110, 10160, 11430, 12132, 13143, 13208, 13480, 14859, 15165, 15240, 16176, 16510, 17524, 18288, 19812, 20220, 21905, 22860, 24264, 24765, 26286, 26416, 26960, 29718, 30330, 30480, 33020, 35048, 39429, 39624, 40440, 42799, 43810, 45720, 48528, 49530, 52572, 59436, 60660, 65715, 66040, 70096, 74295, 78858, 79248, 80880, 85598, 87620, 91440, 99060, 105144, 118872, 121320, 128397, 131430, 132080, 148590, 157716, 171196, 175240, 197145, 198120, 210288, 213995, 237744, 242640, 256794, 262860, 297180, 315432, 342392, 350480, 385191, 394290, 396240, 427990, 513588, 525720, 556387, 594360, 630864, 641985, 684784, 770382, 788580, 855980, 1027176, 1051440, 1112774, 1188720, 1283970, 1540764, 1577160, 1669161, 1711960, 1925955, 2054352, 2225548, 2567940, 2781935, 3081528, 3154320, 3338322, 3423920, 3851910, 4451096, 5007483, 5135880, 5563870, 6163056, 6676644, 7703820, 8345805, 8902192, 10014966, 10271760, 11127740, 13353288, 15407640, 16691610, 20029932, 22255480, 25037415, 26706576, 30815280, 33383220, 40059864, 44510960, 50074830, 66766440, 80119728, 100149660, 133532880, 200299320, 400598640]

約数ペア:

[(1, 400598640), (2, 200299320), (3, 133532880), (4, 100149660), (5, 80119728), (6, 66766440), (8, 50074830), (9, 44510960), (10, 40059864), (12, 33383220), (13, 30815280), (15, 26706576), (16, 25037415), (18, 22255480), (20, 20029932), (24, 16691610), (26, 15407640), (30, 13353288), (36, 11127740), (39, 10271760), (40, 10014966), (45, 8902192), (48, 8345805), (52, 7703820), (60, 6676644), (65, 6163056), (72, 5563870), (78, 5135880), (80, 5007483), (90, 4451096), (104, 3851910), (117, 3423920), (120, 3338322), (127, 3154320), (130, 3081528), (144, 2781935), (156, 2567940), (180, 2225548), (195, 2054352), (208, 1925955), (234, 1711960), (240, 1669161), (254, 1577160), (260, 1540764), (312, 1283970), (337, 1188720), (360, 1112774), (381, 1051440), (390, 1027176), (468, 855980), (508, 788580), (520, 770382), (585, 684784), (624, 641985), (635, 630864), (674, 594360), (720, 556387), (762, 525720), (780, 513588), (936, 427990), (1011, 396240), (1016, 394290), (1040, 385191), (1143, 350480), (1170, 342392), (1270, 315432), (1348, 297180), (1524, 262860), (1560, 256794), (1651, 242640), (1685, 237744), (1872, 213995), (1905, 210288), (2022, 198120), (2032, 197145), (2286, 175240), (2340, 171196), (2540, 157716), (2696, 148590), (3033, 132080), (3048, 131430), (3120, 128397), (3302, 121320), (3370, 118872), (3810, 105144), (4044, 99060), (4381, 91440), (4572, 87620), (4680, 85598), (4953, 80880), (5055, 79248), (5080, 78858), (5392, 74295), (5715, 70096), (6066, 66040), (6096, 65715), (6604, 60660), (6740, 59436), (7620, 52572), (8088, 49530), (8255, 48528), (8762, 45720), (9144, 43810), (9360, 42799), (9906, 40440), (10110, 39624), (10160, 39429), (11430, 35048), (12132, 33020), (13143, 30480), (13208, 30330), (13480, 29718), (14859, 26960), (15165, 26416), (15240, 26286), (16176, 24765), (16510, 24264), (17524, 22860), (18288, 21905), (19812, 20220)]