264005920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 689149944

約数和(自身を除く): 425144024

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 101, 124, 136, 155, 160, 170, 202, 248, 272, 310, 340, 404, 496, 505, 527, 544, 620, 680, 808, 961, 992, 1010, 1054, 1240, 1360, 1616, 1717, 1922, 2020, 2108, 2480, 2635, 2720, 3131, 3232, 3434, 3844, 4040, 4216, 4805, 4960, 5270, 6262, 6868, 7688, 8080, 8432, 8585, 9610, 10540, 12524, 13736, 15376, 15655, 16160, 16337, 16864, 17170, 19220, 21080, 25048, 27472, 30752, 31310, 32674, 34340, 38440, 42160, 50096, 53227, 54944, 62620, 65348, 68680, 76880, 81685, 84320, 97061, 100192, 106454, 125240, 130696, 137360, 153760, 163370, 194122, 212908, 250480, 261392, 266135, 274720, 326740, 388244, 425816, 485305, 500960, 522784, 532270, 653480, 776488, 851632, 970610, 1064540, 1306960, 1552976, 1650037, 1703264, 1941220, 2129080, 2613920, 3105952, 3300074, 3882440, 4258160, 6600148, 7764880, 8250185, 8516320, 13200296, 15529760, 16500370, 26400592, 33000740, 52801184, 66001480, 132002960, 264005920]

約数ペア:

[(1, 264005920), (2, 132002960), (4, 66001480), (5, 52801184), (8, 33000740), (10, 26400592), (16, 16500370), (17, 15529760), (20, 13200296), (31, 8516320), (32, 8250185), (34, 7764880), (40, 6600148), (62, 4258160), (68, 3882440), (80, 3300074), (85, 3105952), (101, 2613920), (124, 2129080), (136, 1941220), (155, 1703264), (160, 1650037), (170, 1552976), (202, 1306960), (248, 1064540), (272, 970610), (310, 851632), (340, 776488), (404, 653480), (496, 532270), (505, 522784), (527, 500960), (544, 485305), (620, 425816), (680, 388244), (808, 326740), (961, 274720), (992, 266135), (1010, 261392), (1054, 250480), (1240, 212908), (1360, 194122), (1616, 163370), (1717, 153760), (1922, 137360), (2020, 130696), (2108, 125240), (2480, 106454), (2635, 100192), (2720, 97061), (3131, 84320), (3232, 81685), (3434, 76880), (3844, 68680), (4040, 65348), (4216, 62620), (4805, 54944), (4960, 53227), (5270, 50096), (6262, 42160), (6868, 38440), (7688, 34340), (8080, 32674), (8432, 31310), (8585, 30752), (9610, 27472), (10540, 25048), (12524, 21080), (13736, 19220), (15376, 17170), (15655, 16864), (16160, 16337)]