1296426560

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:773

約数の個数: 224

約数和(自身を含む): 3720657024

約数和(自身を除く): 2424230464

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 41, 44, 52, 55, 64, 65, 80, 82, 88, 104, 110, 130, 143, 160, 164, 176, 205, 208, 220, 260, 286, 320, 328, 352, 410, 416, 440, 451, 520, 533, 572, 656, 691, 704, 715, 820, 832, 880, 902, 1040, 1066, 1144, 1312, 1382, 1430, 1640, 1760, 1804, 2080, 2132, 2255, 2288, 2624, 2665, 2764, 2860, 3280, 3455, 3520, 3608, 4160, 4264, 4510, 4576, 5330, 5528, 5720, 5863, 6560, 6910, 7216, 7601, 8528, 8983, 9020, 9152, 10660, 11056, 11440, 11726, 13120, 13820, 14432, 15202, 17056, 17966, 18040, 21320, 22112, 22880, 23452, 27640, 28331, 28864, 29315, 30404, 34112, 35932, 36080, 38005, 42640, 44224, 44915, 45760, 46904, 55280, 56662, 58630, 60808, 71864, 72160, 76010, 85280, 89830, 93808, 98813, 110560, 113324, 117260, 121616, 141655, 143728, 144320, 152020, 170560, 179660, 187616, 197626, 221120, 226648, 234520, 243232, 283310, 287456, 304040, 311641, 359320, 368303, 375232, 395252, 453296, 469040, 486464, 494065, 566620, 574912, 608080, 623282, 718640, 736606, 790504, 906592, 938080, 988130, 1133240, 1216160, 1246564, 1437280, 1473212, 1558205, 1581008, 1813184, 1841515, 1876160, 1976260, 2266480, 2432320, 2493128, 2874560, 2946424, 3116410, 3162016, 3683030, 3952520, 4051333, 4532960, 4986256, 5892848, 6232820, 6324032, 7366060, 7905040, 8102666, 9065920, 9972512, 11785696, 12465640, 14732120, 15810080, 16205332, 19945024, 20256665, 23571392, 24931280, 29464240, 31620160, 32410664, 40513330, 49862560, 58928480, 64821328, 81026660, 99725120, 117856960, 129642656, 162053320, 259285312, 324106640, 648213280, 1296426560]

約数ペア:

[(1, 1296426560), (2, 648213280), (4, 324106640), (5, 259285312), (8, 162053320), (10, 129642656), (11, 117856960), (13, 99725120), (16, 81026660), (20, 64821328), (22, 58928480), (26, 49862560), (32, 40513330), (40, 32410664), (41, 31620160), (44, 29464240), (52, 24931280), (55, 23571392), (64, 20256665), (65, 19945024), (80, 16205332), (82, 15810080), (88, 14732120), (104, 12465640), (110, 11785696), (130, 9972512), (143, 9065920), (160, 8102666), (164, 7905040), (176, 7366060), (205, 6324032), (208, 6232820), (220, 5892848), (260, 4986256), (286, 4532960), (320, 4051333), (328, 3952520), (352, 3683030), (410, 3162016), (416, 3116410), (440, 2946424), (451, 2874560), (520, 2493128), (533, 2432320), (572, 2266480), (656, 1976260), (691, 1876160), (704, 1841515), (715, 1813184), (820, 1581008), (832, 1558205), (880, 1473212), (902, 1437280), (1040, 1246564), (1066, 1216160), (1144, 1133240), (1312, 988130), (1382, 938080), (1430, 906592), (1640, 790504), (1760, 736606), (1804, 718640), (2080, 623282), (2132, 608080), (2255, 574912), (2288, 566620), (2624, 494065), (2665, 486464), (2764, 469040), (2860, 453296), (3280, 395252), (3455, 375232), (3520, 368303), (3608, 359320), (4160, 311641), (4264, 304040), (4510, 287456), (4576, 283310), (5330, 243232), (5528, 234520), (5720, 226648), (5863, 221120), (6560, 197626), (6910, 187616), (7216, 179660), (7601, 170560), (8528, 152020), (8983, 144320), (9020, 143728), (9152, 141655), (10660, 121616), (11056, 117260), (11440, 113324), (11726, 110560), (13120, 98813), (13820, 93808), (14432, 89830), (15202, 85280), (17056, 76010), (17966, 72160), (18040, 71864), (21320, 60808), (22112, 58630), (22880, 56662), (23452, 55280), (27640, 46904), (28331, 45760), (28864, 44915), (29315, 44224), (30404, 42640), (34112, 38005), (35932, 36080)]