1218031290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:466

約数の個数: 256

約数和(自身を含む): 3956428800

約数和(自身を除く): 2738397510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 107, 114, 126, 133, 135, 171, 189, 190, 210, 214, 266, 270, 285, 315, 317, 321, 342, 378, 399, 513, 535, 570, 630, 634, 642, 665, 749, 798, 855, 945, 951, 963, 1026, 1070, 1197, 1330, 1498, 1585, 1605, 1710, 1890, 1902, 1926, 1995, 2033, 2219, 2247, 2394, 2565, 2853, 2889, 3170, 3210, 3591, 3745, 3990, 4066, 4438, 4494, 4755, 4815, 5130, 5706, 5778, 5985, 6023, 6099, 6657, 6741, 7182, 7490, 8559, 9510, 9630, 10165, 11095, 11235, 11970, 12046, 12198, 13314, 13482, 14231, 14265, 14445, 17118, 17955, 18069, 18297, 19971, 20223, 20330, 22190, 22470, 28462, 28530, 28890, 30115, 30495, 33285, 33705, 33919, 35910, 36138, 36594, 39942, 40446, 42161, 42693, 42795, 54207, 54891, 59913, 60230, 60990, 66570, 67410, 67838, 71155, 84322, 85386, 85590, 90345, 91485, 99855, 101115, 101757, 108414, 109782, 119826, 126483, 128079, 142310, 162621, 169595, 180690, 182970, 199710, 202230, 203514, 210805, 213465, 237433, 252966, 256158, 271035, 274455, 299565, 305271, 325242, 339190, 379449, 384237, 421610, 426930, 474866, 508785, 542070, 548910, 599130, 610542, 632415, 640395, 644461, 712299, 758898, 768474, 813105, 915813, 1017570, 1138347, 1187165, 1264830, 1280790, 1288922, 1424598, 1526355, 1626210, 1831626, 1897245, 1921185, 1933383, 2136897, 2276694, 2374330, 3052710, 3222305, 3561495, 3794490, 3842370, 3866766, 4273794, 4511227, 4579065, 5691735, 5800149, 6410691, 6444610, 7122990, 9022454, 9158130, 9666915, 10684485, 11383470, 11600298, 12821382, 13533681, 17400447, 19333830, 21368970, 22556135, 27067362, 29000745, 32053455, 34800894, 40601043, 45112270, 58001490, 64106910, 67668405, 81202086, 87002235, 121803129, 135336810, 174004470, 203005215, 243606258, 406010430, 609015645, 1218031290]

約数ペア:

[(1, 1218031290), (2, 609015645), (3, 406010430), (5, 243606258), (6, 203005215), (7, 174004470), (9, 135336810), (10, 121803129), (14, 87002235), (15, 81202086), (18, 67668405), (19, 64106910), (21, 58001490), (27, 45112270), (30, 40601043), (35, 34800894), (38, 32053455), (42, 29000745), (45, 27067362), (54, 22556135), (57, 21368970), (63, 19333830), (70, 17400447), (90, 13533681), (95, 12821382), (105, 11600298), (107, 11383470), (114, 10684485), (126, 9666915), (133, 9158130), (135, 9022454), (171, 7122990), (189, 6444610), (190, 6410691), (210, 5800149), (214, 5691735), (266, 4579065), (270, 4511227), (285, 4273794), (315, 3866766), (317, 3842370), (321, 3794490), (342, 3561495), (378, 3222305), (399, 3052710), (513, 2374330), (535, 2276694), (570, 2136897), (630, 1933383), (634, 1921185), (642, 1897245), (665, 1831626), (749, 1626210), (798, 1526355), (855, 1424598), (945, 1288922), (951, 1280790), (963, 1264830), (1026, 1187165), (1070, 1138347), (1197, 1017570), (1330, 915813), (1498, 813105), (1585, 768474), (1605, 758898), (1710, 712299), (1890, 644461), (1902, 640395), (1926, 632415), (1995, 610542), (2033, 599130), (2219, 548910), (2247, 542070), (2394, 508785), (2565, 474866), (2853, 426930), (2889, 421610), (3170, 384237), (3210, 379449), (3591, 339190), (3745, 325242), (3990, 305271), (4066, 299565), (4438, 274455), (4494, 271035), (4755, 256158), (4815, 252966), (5130, 237433), (5706, 213465), (5778, 210805), (5985, 203514), (6023, 202230), (6099, 199710), (6657, 182970), (6741, 180690), (7182, 169595), (7490, 162621), (8559, 142310), (9510, 128079), (9630, 126483), (10165, 119826), (11095, 109782), (11235, 108414), (11970, 101757), (12046, 101115), (12198, 99855), (13314, 91485), (13482, 90345), (14231, 85590), (14265, 85386), (14445, 84322), (17118, 71155), (17955, 67838), (18069, 67410), (18297, 66570), (19971, 60990), (20223, 60230), (20330, 59913), (22190, 54891), (22470, 54207), (28462, 42795), (28530, 42693), (28890, 42161), (30115, 40446), (30495, 39942), (33285, 36594), (33705, 36138), (33919, 35910)]