204511440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 320

約数和(自身を含む): 785664000

約数和(自身を除く): 581152560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 43, 48, 56, 57, 60, 70, 76, 80, 84, 86, 95, 105, 112, 114, 120, 129, 133, 140, 149, 152, 168, 172, 190, 210, 215, 228, 240, 258, 266, 280, 285, 298, 301, 304, 336, 344, 380, 399, 420, 430, 447, 456, 516, 532, 560, 570, 596, 602, 645, 665, 688, 745, 760, 798, 817, 840, 860, 894, 903, 912, 1032, 1043, 1064, 1140, 1192, 1204, 1290, 1330, 1490, 1505, 1520, 1596, 1634, 1680, 1720, 1788, 1806, 1995, 2064, 2086, 2128, 2235, 2280, 2384, 2408, 2451, 2580, 2660, 2831, 2980, 3010, 3129, 3192, 3268, 3440, 3576, 3612, 3990, 4085, 4172, 4470, 4515, 4560, 4816, 4902, 5160, 5215, 5320, 5662, 5719, 5960, 6020, 6258, 6384, 6407, 6536, 7152, 7224, 7980, 8170, 8344, 8493, 8940, 9030, 9804, 10320, 10430, 10640, 11324, 11438, 11920, 12040, 12255, 12516, 12814, 13072, 14155, 14448, 15645, 15960, 16340, 16688, 16986, 17157, 17880, 18060, 19221, 19608, 19817, 20860, 22648, 22876, 24080, 24510, 25032, 25628, 28310, 28595, 31290, 31920, 32035, 32680, 33972, 34314, 35760, 36120, 38442, 39216, 39634, 41720, 42465, 44849, 45296, 45752, 49020, 50064, 51256, 56620, 57190, 59451, 62580, 64070, 65360, 67944, 68628, 72240, 76884, 79268, 83440, 84930, 85785, 89698, 91504, 96105, 98040, 99085, 102512, 113240, 114380, 118902, 121733, 125160, 128140, 134547, 135888, 137256, 153768, 158536, 169860, 171570, 179396, 192210, 196080, 198170, 224245, 226480, 228760, 237804, 243466, 250320, 256280, 269094, 274512, 297255, 307536, 317072, 339720, 343140, 358792, 365199, 384420, 396340, 448490, 457520, 475608, 486932, 512560, 538188, 594510, 608665, 672735, 679440, 686280, 717584, 730398, 768840, 792680, 852131, 896980, 951216, 973864, 1076376, 1189020, 1217330, 1345470, 1372560, 1460796, 1537680, 1585360, 1704262, 1793960, 1825995, 1947728, 2152752, 2378040, 2434660, 2556393, 2690940, 2921592, 3408524, 3587920, 3651990, 4260655, 4756080, 4869320, 5112786, 5381880, 5843184, 6817048, 7303980, 8521310, 9738640, 10225572, 10763760, 12781965, 13634096, 14607960, 17042620, 20451144, 25563930, 29215920, 34085240, 40902288, 51127860, 68170480, 102255720, 204511440]

約数ペア:

[(1, 204511440), (2, 102255720), (3, 68170480), (4, 51127860), (5, 40902288), (6, 34085240), (7, 29215920), (8, 25563930), (10, 20451144), (12, 17042620), (14, 14607960), (15, 13634096), (16, 12781965), (19, 10763760), (20, 10225572), (21, 9738640), (24, 8521310), (28, 7303980), (30, 6817048), (35, 5843184), (38, 5381880), (40, 5112786), (42, 4869320), (43, 4756080), (48, 4260655), (56, 3651990), (57, 3587920), (60, 3408524), (70, 2921592), (76, 2690940), (80, 2556393), (84, 2434660), (86, 2378040), (95, 2152752), (105, 1947728), (112, 1825995), (114, 1793960), (120, 1704262), (129, 1585360), (133, 1537680), (140, 1460796), (149, 1372560), (152, 1345470), (168, 1217330), (172, 1189020), (190, 1076376), (210, 973864), (215, 951216), (228, 896980), (240, 852131), (258, 792680), (266, 768840), (280, 730398), (285, 717584), (298, 686280), (301, 679440), (304, 672735), (336, 608665), (344, 594510), (380, 538188), (399, 512560), (420, 486932), (430, 475608), (447, 457520), (456, 448490), (516, 396340), (532, 384420), (560, 365199), (570, 358792), (596, 343140), (602, 339720), (645, 317072), (665, 307536), (688, 297255), (745, 274512), (760, 269094), (798, 256280), (817, 250320), (840, 243466), (860, 237804), (894, 228760), (903, 226480), (912, 224245), (1032, 198170), (1043, 196080), (1064, 192210), (1140, 179396), (1192, 171570), (1204, 169860), (1290, 158536), (1330, 153768), (1490, 137256), (1505, 135888), (1520, 134547), (1596, 128140), (1634, 125160), (1680, 121733), (1720, 118902), (1788, 114380), (1806, 113240), (1995, 102512), (2064, 99085), (2086, 98040), (2128, 96105), (2235, 91504), (2280, 89698), (2384, 85785), (2408, 84930), (2451, 83440), (2580, 79268), (2660, 76884), (2831, 72240), (2980, 68628), (3010, 67944), (3129, 65360), (3192, 64070), (3268, 62580), (3440, 59451), (3576, 57190), (3612, 56620), (3990, 51256), (4085, 50064), (4172, 49020), (4470, 45752), (4515, 45296), (4560, 44849), (4816, 42465), (4902, 41720), (5160, 39634), (5215, 39216), (5320, 38442), (5662, 36120), (5719, 35760), (5960, 34314), (6020, 33972), (6258, 32680), (6384, 32035), (6407, 31920), (6536, 31290), (7152, 28595), (7224, 28310), (7980, 25628), (8170, 25032), (8344, 24510), (8493, 24080), (8940, 22876), (9030, 22648), (9804, 20860), (10320, 19817), (10430, 19608), (10640, 19221), (11324, 18060), (11438, 17880), (11920, 17157), (12040, 16986), (12255, 16688), (12516, 16340), (12814, 15960), (13072, 15645), (14155, 14448)]