1320978960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{751}}^1$

素因数の和:1126

約数の個数: 240

約数和(自身を含む): 5091340800

約数和(自身を除く): 3770361840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 349, 360, 420, 504, 560, 630, 698, 720, 751, 840, 1008, 1047, 1260, 1396, 1502, 1680, 1745, 2094, 2253, 2443, 2520, 2792, 3004, 3141, 3490, 3755, 4188, 4506, 4886, 5040, 5235, 5257, 5584, 6008, 6282, 6759, 6980, 7329, 7510, 8376, 9012, 9772, 10470, 10514, 11265, 12016, 12215, 12564, 13518, 13960, 14658, 15020, 15705, 15771, 16752, 18024, 19544, 20940, 21028, 21987, 22530, 24430, 25128, 26285, 27036, 27920, 29316, 30040, 31410, 31542, 33795, 36048, 36645, 39088, 41880, 42056, 43974, 45060, 47313, 48860, 50256, 52570, 54072, 58632, 60080, 62820, 63084, 67590, 73290, 78855, 83760, 84112, 87948, 90120, 94626, 97720, 105140, 108144, 109935, 117264, 125640, 126168, 135180, 146580, 157710, 175896, 180240, 189252, 195440, 210280, 219870, 236565, 251280, 252336, 262099, 270360, 293160, 315420, 351792, 378504, 420560, 439740, 473130, 524198, 540720, 586320, 630840, 757008, 786297, 879480, 946260, 1048396, 1261680, 1310495, 1572594, 1758960, 1834693, 1892520, 2096792, 2358891, 2620990, 3145188, 3669386, 3785040, 3931485, 4193584, 4717782, 5241980, 5504079, 6290376, 7338772, 7862970, 9173465, 9435564, 10483960, 11008158, 11794455, 12580752, 14677544, 15725940, 16512237, 18346930, 18871128, 20967920, 22016316, 23588910, 27520395, 29355088, 31451880, 33024474, 36693860, 37742256, 44032632, 47177820, 55040790, 62903760, 66048948, 73387720, 82561185, 88065264, 94355640, 110081580, 132097896, 146775440, 165122370, 188711280, 220163160, 264195792, 330244740, 440326320, 660489480, 1320978960]

約数ペア:

[(1, 1320978960), (2, 660489480), (3, 440326320), (4, 330244740), (5, 264195792), (6, 220163160), (7, 188711280), (8, 165122370), (9, 146775440), (10, 132097896), (12, 110081580), (14, 94355640), (15, 88065264), (16, 82561185), (18, 73387720), (20, 66048948), (21, 62903760), (24, 55040790), (28, 47177820), (30, 44032632), (35, 37742256), (36, 36693860), (40, 33024474), (42, 31451880), (45, 29355088), (48, 27520395), (56, 23588910), (60, 22016316), (63, 20967920), (70, 18871128), (72, 18346930), (80, 16512237), (84, 15725940), (90, 14677544), (105, 12580752), (112, 11794455), (120, 11008158), (126, 10483960), (140, 9435564), (144, 9173465), (168, 7862970), (180, 7338772), (210, 6290376), (240, 5504079), (252, 5241980), (280, 4717782), (315, 4193584), (336, 3931485), (349, 3785040), (360, 3669386), (420, 3145188), (504, 2620990), (560, 2358891), (630, 2096792), (698, 1892520), (720, 1834693), (751, 1758960), (840, 1572594), (1008, 1310495), (1047, 1261680), (1260, 1048396), (1396, 946260), (1502, 879480), (1680, 786297), (1745, 757008), (2094, 630840), (2253, 586320), (2443, 540720), (2520, 524198), (2792, 473130), (3004, 439740), (3141, 420560), (3490, 378504), (3755, 351792), (4188, 315420), (4506, 293160), (4886, 270360), (5040, 262099), (5235, 252336), (5257, 251280), (5584, 236565), (6008, 219870), (6282, 210280), (6759, 195440), (6980, 189252), (7329, 180240), (7510, 175896), (8376, 157710), (9012, 146580), (9772, 135180), (10470, 126168), (10514, 125640), (11265, 117264), (12016, 109935), (12215, 108144), (12564, 105140), (13518, 97720), (13960, 94626), (14658, 90120), (15020, 87948), (15705, 84112), (15771, 83760), (16752, 78855), (18024, 73290), (19544, 67590), (20940, 63084), (21028, 62820), (21987, 60080), (22530, 58632), (24430, 54072), (25128, 52570), (26285, 50256), (27036, 48860), (27920, 47313), (29316, 45060), (30040, 43974), (31410, 42056), (31542, 41880), (33795, 39088), (36048, 36645)]