205014780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:417

約数の個数: 192

約数和(自身を含む): 678236160

約数和(自身を除く): 473221380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 37, 45, 54, 60, 62, 74, 90, 93, 108, 111, 124, 135, 148, 155, 180, 185, 186, 222, 270, 279, 310, 331, 333, 370, 372, 444, 465, 540, 555, 558, 620, 662, 666, 740, 837, 930, 993, 999, 1110, 1116, 1147, 1324, 1332, 1395, 1655, 1665, 1674, 1860, 1986, 1998, 2220, 2294, 2790, 2979, 3310, 3330, 3348, 3441, 3972, 3996, 4185, 4588, 4965, 4995, 5580, 5735, 5958, 6620, 6660, 6882, 8370, 8937, 9930, 9990, 10261, 10323, 11470, 11916, 12247, 13764, 14895, 16740, 17205, 17874, 19860, 19980, 20522, 20646, 22940, 24494, 29790, 30783, 30969, 34410, 35748, 36741, 41044, 41292, 44685, 48988, 51305, 51615, 59580, 61235, 61566, 61938, 68820, 73482, 89370, 92349, 102610, 103230, 110223, 122470, 123132, 123876, 146964, 153915, 154845, 178740, 183705, 184698, 205220, 206460, 220446, 244940, 277047, 307830, 309690, 330669, 367410, 369396, 379657, 440892, 461745, 551115, 554094, 615660, 619380, 661338, 734820, 759314, 923490, 1102230, 1108188, 1138971, 1322676, 1385235, 1518628, 1653345, 1846980, 1898285, 2204460, 2277942, 2770470, 3306690, 3416913, 3796570, 4555884, 5540940, 5694855, 6613380, 6833826, 7593140, 10250739, 11389710, 13667652, 17084565, 20501478, 22779420, 34169130, 41002956, 51253695, 68338260, 102507390, 205014780]

約数ペア:

[(1, 205014780), (2, 102507390), (3, 68338260), (4, 51253695), (5, 41002956), (6, 34169130), (9, 22779420), (10, 20501478), (12, 17084565), (15, 13667652), (18, 11389710), (20, 10250739), (27, 7593140), (30, 6833826), (31, 6613380), (36, 5694855), (37, 5540940), (45, 4555884), (54, 3796570), (60, 3416913), (62, 3306690), (74, 2770470), (90, 2277942), (93, 2204460), (108, 1898285), (111, 1846980), (124, 1653345), (135, 1518628), (148, 1385235), (155, 1322676), (180, 1138971), (185, 1108188), (186, 1102230), (222, 923490), (270, 759314), (279, 734820), (310, 661338), (331, 619380), (333, 615660), (370, 554094), (372, 551115), (444, 461745), (465, 440892), (540, 379657), (555, 369396), (558, 367410), (620, 330669), (662, 309690), (666, 307830), (740, 277047), (837, 244940), (930, 220446), (993, 206460), (999, 205220), (1110, 184698), (1116, 183705), (1147, 178740), (1324, 154845), (1332, 153915), (1395, 146964), (1655, 123876), (1665, 123132), (1674, 122470), (1860, 110223), (1986, 103230), (1998, 102610), (2220, 92349), (2294, 89370), (2790, 73482), (2979, 68820), (3310, 61938), (3330, 61566), (3348, 61235), (3441, 59580), (3972, 51615), (3996, 51305), (4185, 48988), (4588, 44685), (4965, 41292), (4995, 41044), (5580, 36741), (5735, 35748), (5958, 34410), (6620, 30969), (6660, 30783), (6882, 29790), (8370, 24494), (8937, 22940), (9930, 20646), (9990, 20522), (10261, 19980), (10323, 19860), (11470, 17874), (11916, 17205), (12247, 16740), (13764, 14895)]