1297005280

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 192

約数和(自身を含む): 3344302080

約数和(自身を除く): 2047296800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 71, 80, 116, 124, 127, 142, 145, 155, 160, 232, 248, 254, 284, 290, 310, 355, 464, 496, 508, 568, 580, 620, 635, 710, 899, 928, 992, 1016, 1136, 1160, 1240, 1270, 1420, 1798, 2032, 2059, 2201, 2272, 2320, 2480, 2540, 2840, 3596, 3683, 3937, 4064, 4118, 4402, 4495, 4640, 4960, 5080, 5680, 7192, 7366, 7874, 8236, 8804, 8990, 9017, 10160, 10295, 11005, 11360, 14384, 14732, 15748, 16472, 17608, 17980, 18034, 18415, 19685, 20320, 20590, 22010, 28768, 29464, 31496, 32944, 35216, 35960, 36068, 36830, 39370, 41180, 44020, 45085, 58928, 62992, 63829, 65888, 70432, 71920, 72136, 73660, 78740, 82360, 88040, 90170, 114173, 117856, 125984, 127658, 143840, 144272, 147320, 157480, 164720, 176080, 180340, 228346, 255316, 261493, 279527, 288544, 294640, 314960, 319145, 329440, 352160, 360680, 456692, 510632, 522986, 559054, 570865, 589280, 629920, 638290, 721360, 913384, 1021264, 1045972, 1118108, 1141730, 1276580, 1307465, 1397635, 1442720, 1826768, 2042528, 2091944, 2236216, 2283460, 2553160, 2614930, 2795270, 3653536, 4183888, 4472432, 4566920, 5106320, 5229860, 5590540, 8106283, 8367776, 8944864, 9133840, 10212640, 10459720, 11181080, 16212566, 18267680, 20919440, 22362160, 32425132, 40531415, 41838880, 44724320, 64850264, 81062830, 129700528, 162125660, 259401056, 324251320, 648502640, 1297005280]

約数ペア:

[(1, 1297005280), (2, 648502640), (4, 324251320), (5, 259401056), (8, 162125660), (10, 129700528), (16, 81062830), (20, 64850264), (29, 44724320), (31, 41838880), (32, 40531415), (40, 32425132), (58, 22362160), (62, 20919440), (71, 18267680), (80, 16212566), (116, 11181080), (124, 10459720), (127, 10212640), (142, 9133840), (145, 8944864), (155, 8367776), (160, 8106283), (232, 5590540), (248, 5229860), (254, 5106320), (284, 4566920), (290, 4472432), (310, 4183888), (355, 3653536), (464, 2795270), (496, 2614930), (508, 2553160), (568, 2283460), (580, 2236216), (620, 2091944), (635, 2042528), (710, 1826768), (899, 1442720), (928, 1397635), (992, 1307465), (1016, 1276580), (1136, 1141730), (1160, 1118108), (1240, 1045972), (1270, 1021264), (1420, 913384), (1798, 721360), (2032, 638290), (2059, 629920), (2201, 589280), (2272, 570865), (2320, 559054), (2480, 522986), (2540, 510632), (2840, 456692), (3596, 360680), (3683, 352160), (3937, 329440), (4064, 319145), (4118, 314960), (4402, 294640), (4495, 288544), (4640, 279527), (4960, 261493), (5080, 255316), (5680, 228346), (7192, 180340), (7366, 176080), (7874, 164720), (8236, 157480), (8804, 147320), (8990, 144272), (9017, 143840), (10160, 127658), (10295, 125984), (11005, 117856), (11360, 114173), (14384, 90170), (14732, 88040), (15748, 82360), (16472, 78740), (17608, 73660), (17980, 72136), (18034, 71920), (18415, 70432), (19685, 65888), (20320, 63829), (20590, 62992), (22010, 58928), (28768, 45085), (29464, 44020), (31496, 41180), (32944, 39370), (35216, 36830), (35960, 36068)]