1257402240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{521}}^1$

素因数の和:965

約数の個数: 192

約数和(自身を含む): 4360683600

約数和(自身を除く): 3103281360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 419, 480, 521, 576, 640, 720, 838, 960, 1042, 1152, 1257, 1440, 1563, 1676, 1920, 2084, 2095, 2514, 2605, 2880, 3126, 3352, 3771, 4168, 4190, 4689, 5028, 5210, 5760, 6252, 6285, 6704, 7542, 7815, 8336, 8380, 9378, 10056, 10420, 12504, 12570, 13408, 15084, 15630, 16672, 16760, 18756, 18855, 20112, 20840, 23445, 25008, 25140, 26816, 30168, 31260, 33344, 33520, 37512, 37710, 40224, 41680, 46890, 50016, 50280, 53632, 60336, 62520, 66688, 67040, 75024, 75420, 80448, 83360, 93780, 100032, 100560, 120672, 125040, 134080, 150048, 150840, 160896, 166720, 187560, 200064, 201120, 218299, 241344, 250080, 268160, 300096, 301680, 333440, 375120, 402240, 436598, 482688, 500160, 600192, 603360, 654897, 750240, 804480, 873196, 1000320, 1091495, 1206720, 1309794, 1500480, 1746392, 1964691, 2182990, 2413440, 2619588, 3000960, 3274485, 3492784, 3929382, 4365980, 5239176, 6548970, 6985568, 7858764, 8731960, 9823455, 10478352, 13097940, 13971136, 15717528, 17463920, 19646910, 20956704, 26195880, 27942272, 31435056, 34927840, 39293820, 41913408, 52391760, 62870112, 69855680, 78587640, 83826816, 104783520, 125740224, 139711360, 157175280, 209567040, 251480448, 314350560, 419134080, 628701120, 1257402240]

約数ペア:

[(1, 1257402240), (2, 628701120), (3, 419134080), (4, 314350560), (5, 251480448), (6, 209567040), (8, 157175280), (9, 139711360), (10, 125740224), (12, 104783520), (15, 83826816), (16, 78587640), (18, 69855680), (20, 62870112), (24, 52391760), (30, 41913408), (32, 39293820), (36, 34927840), (40, 31435056), (45, 27942272), (48, 26195880), (60, 20956704), (64, 19646910), (72, 17463920), (80, 15717528), (90, 13971136), (96, 13097940), (120, 10478352), (128, 9823455), (144, 8731960), (160, 7858764), (180, 6985568), (192, 6548970), (240, 5239176), (288, 4365980), (320, 3929382), (360, 3492784), (384, 3274485), (419, 3000960), (480, 2619588), (521, 2413440), (576, 2182990), (640, 1964691), (720, 1746392), (838, 1500480), (960, 1309794), (1042, 1206720), (1152, 1091495), (1257, 1000320), (1440, 873196), (1563, 804480), (1676, 750240), (1920, 654897), (2084, 603360), (2095, 600192), (2514, 500160), (2605, 482688), (2880, 436598), (3126, 402240), (3352, 375120), (3771, 333440), (4168, 301680), (4190, 300096), (4689, 268160), (5028, 250080), (5210, 241344), (5760, 218299), (6252, 201120), (6285, 200064), (6704, 187560), (7542, 166720), (7815, 160896), (8336, 150840), (8380, 150048), (9378, 134080), (10056, 125040), (10420, 120672), (12504, 100560), (12570, 100032), (13408, 93780), (15084, 83360), (15630, 80448), (16672, 75420), (16760, 75024), (18756, 67040), (18855, 66688), (20112, 62520), (20840, 60336), (23445, 53632), (25008, 50280), (25140, 50016), (26816, 46890), (30168, 41680), (31260, 40224), (33344, 37710), (33520, 37512)]