21182784660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:988

約数の個数: 240

約数和(自身を含む): 67521484800

約数和(自身を除く): 46338700140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 127, 135, 149, 162, 180, 254, 270, 298, 324, 381, 405, 447, 508, 540, 596, 635, 691, 745, 762, 810, 894, 1143, 1270, 1341, 1382, 1490, 1524, 1620, 1788, 1905, 2073, 2235, 2286, 2540, 2682, 2764, 2980, 3429, 3455, 3810, 4023, 4146, 4470, 4572, 5364, 5715, 6219, 6705, 6858, 6910, 7620, 8046, 8292, 8940, 10287, 10365, 11430, 12069, 12438, 13410, 13716, 13820, 16092, 17145, 18657, 18923, 20115, 20574, 20730, 22860, 24138, 24876, 26820, 31095, 34290, 37314, 37846, 40230, 41148, 41460, 48276, 51435, 55971, 56769, 60345, 62190, 68580, 74628, 75692, 80460, 87757, 93285, 94615, 102870, 102959, 111942, 113538, 120690, 124380, 170307, 175514, 186570, 189230, 205740, 205918, 223884, 227076, 241380, 263271, 279855, 283845, 308877, 340614, 351028, 373140, 378460, 411836, 438785, 510921, 514795, 526542, 559710, 567690, 617754, 681228, 789813, 851535, 877570, 926631, 1021842, 1029590, 1053084, 1119420, 1135380, 1235508, 1316355, 1532763, 1544385, 1579626, 1703070, 1755140, 1853262, 2043684, 2059180, 2369439, 2554605, 2632710, 2779893, 3065526, 3088770, 3159252, 3406140, 3706524, 3949065, 4633155, 4738878, 5109210, 5265420, 5559786, 6131052, 6177540, 7108317, 7663815, 7898130, 8339679, 9266310, 9477756, 10218420, 11119572, 11847195, 13075793, 13899465, 14216634, 15327630, 15796260, 16679358, 18532620, 23694390, 26151586, 27798930, 28433268, 30655260, 33358716, 35541585, 39227379, 41698395, 47388780, 52303172, 55597860, 65378965, 71083170, 78454758, 83396790, 117682137, 130757930, 142166340, 156909516, 166793580, 196136895, 235364274, 261515860, 353046411, 392273790, 470728548, 588410685, 706092822, 784547580, 1059139233, 1176821370, 1412185644, 1765232055, 2118278466, 2353642740, 3530464110, 4236556932, 5295696165, 7060928220, 10591392330, 21182784660]

約数ペア:

[(1, 21182784660), (2, 10591392330), (3, 7060928220), (4, 5295696165), (5, 4236556932), (6, 3530464110), (9, 2353642740), (10, 2118278466), (12, 1765232055), (15, 1412185644), (18, 1176821370), (20, 1059139233), (27, 784547580), (30, 706092822), (36, 588410685), (45, 470728548), (54, 392273790), (60, 353046411), (81, 261515860), (90, 235364274), (108, 196136895), (127, 166793580), (135, 156909516), (149, 142166340), (162, 130757930), (180, 117682137), (254, 83396790), (270, 78454758), (298, 71083170), (324, 65378965), (381, 55597860), (405, 52303172), (447, 47388780), (508, 41698395), (540, 39227379), (596, 35541585), (635, 33358716), (691, 30655260), (745, 28433268), (762, 27798930), (810, 26151586), (894, 23694390), (1143, 18532620), (1270, 16679358), (1341, 15796260), (1382, 15327630), (1490, 14216634), (1524, 13899465), (1620, 13075793), (1788, 11847195), (1905, 11119572), (2073, 10218420), (2235, 9477756), (2286, 9266310), (2540, 8339679), (2682, 7898130), (2764, 7663815), (2980, 7108317), (3429, 6177540), (3455, 6131052), (3810, 5559786), (4023, 5265420), (4146, 5109210), (4470, 4738878), (4572, 4633155), (5364, 3949065), (5715, 3706524), (6219, 3406140), (6705, 3159252), (6858, 3088770), (6910, 3065526), (7620, 2779893), (8046, 2632710), (8292, 2554605), (8940, 2369439), (10287, 2059180), (10365, 2043684), (11430, 1853262), (12069, 1755140), (12438, 1703070), (13410, 1579626), (13716, 1544385), (13820, 1532763), (16092, 1316355), (17145, 1235508), (18657, 1135380), (18923, 1119420), (20115, 1053084), (20574, 1029590), (20730, 1021842), (22860, 926631), (24138, 877570), (24876, 851535), (26820, 789813), (31095, 681228), (34290, 617754), (37314, 567690), (37846, 559710), (40230, 526542), (41148, 514795), (41460, 510921), (48276, 438785), (51435, 411836), (55971, 378460), (56769, 373140), (60345, 351028), (62190, 340614), (68580, 308877), (74628, 283845), (75692, 279855), (80460, 263271), (87757, 241380), (93285, 227076), (94615, 223884), (102870, 205918), (102959, 205740), (111942, 189230), (113538, 186570), (120690, 175514), (124380, 170307)]