640932336

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 240

約数和(自身を含む): 2047368960

約数和(自身を除く): 1406436624

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 41, 44, 48, 66, 71, 72, 82, 88, 99, 123, 132, 139, 142, 144, 164, 176, 198, 213, 246, 264, 278, 284, 328, 369, 396, 417, 426, 451, 492, 528, 556, 568, 639, 656, 738, 781, 792, 834, 852, 902, 984, 1112, 1136, 1251, 1278, 1353, 1476, 1529, 1562, 1584, 1668, 1704, 1804, 1968, 2224, 2343, 2502, 2556, 2706, 2911, 2952, 3058, 3124, 3336, 3408, 3608, 4059, 4587, 4686, 5004, 5112, 5412, 5699, 5822, 5904, 6116, 6248, 6672, 7029, 7216, 8118, 8733, 9174, 9372, 9869, 10008, 10224, 10824, 11398, 11644, 12232, 12496, 13761, 14058, 16236, 17097, 17466, 18348, 18744, 19738, 20016, 21648, 22796, 23288, 24464, 26199, 27522, 28116, 29607, 32021, 32472, 34194, 34932, 36696, 37488, 39476, 45592, 46576, 51291, 52398, 55044, 56232, 59214, 62689, 64042, 64944, 68388, 69864, 73392, 78952, 88821, 91184, 96063, 102582, 104796, 108559, 110088, 112464, 118428, 125378, 128084, 136776, 139728, 157904, 177642, 188067, 192126, 205164, 209592, 217118, 220176, 236856, 250756, 256168, 273552, 288189, 325677, 355284, 376134, 384252, 404629, 410328, 419184, 434236, 473712, 501512, 512336, 564201, 576378, 651354, 710568, 752268, 768504, 809258, 820656, 868472, 977031, 1003024, 1128402, 1152756, 1213887, 1302708, 1421136, 1504536, 1537008, 1618516, 1736944, 1954062, 2256804, 2305512, 2427774, 2605416, 3009072, 3237032, 3641661, 3908124, 4450919, 4513608, 4611024, 4855548, 5210832, 6474064, 7283322, 7816248, 8901838, 9027216, 9711096, 13352757, 14566644, 15632496, 17803676, 19422192, 26705514, 29133288, 35607352, 40058271, 53411028, 58266576, 71214704, 80116542, 106822056, 160233084, 213644112, 320466168, 640932336]

約数ペア:

[(1, 640932336), (2, 320466168), (3, 213644112), (4, 160233084), (6, 106822056), (8, 80116542), (9, 71214704), (11, 58266576), (12, 53411028), (16, 40058271), (18, 35607352), (22, 29133288), (24, 26705514), (33, 19422192), (36, 17803676), (41, 15632496), (44, 14566644), (48, 13352757), (66, 9711096), (71, 9027216), (72, 8901838), (82, 7816248), (88, 7283322), (99, 6474064), (123, 5210832), (132, 4855548), (139, 4611024), (142, 4513608), (144, 4450919), (164, 3908124), (176, 3641661), (198, 3237032), (213, 3009072), (246, 2605416), (264, 2427774), (278, 2305512), (284, 2256804), (328, 1954062), (369, 1736944), (396, 1618516), (417, 1537008), (426, 1504536), (451, 1421136), (492, 1302708), (528, 1213887), (556, 1152756), (568, 1128402), (639, 1003024), (656, 977031), (738, 868472), (781, 820656), (792, 809258), (834, 768504), (852, 752268), (902, 710568), (984, 651354), (1112, 576378), (1136, 564201), (1251, 512336), (1278, 501512), (1353, 473712), (1476, 434236), (1529, 419184), (1562, 410328), (1584, 404629), (1668, 384252), (1704, 376134), (1804, 355284), (1968, 325677), (2224, 288189), (2343, 273552), (2502, 256168), (2556, 250756), (2706, 236856), (2911, 220176), (2952, 217118), (3058, 209592), (3124, 205164), (3336, 192126), (3408, 188067), (3608, 177642), (4059, 157904), (4587, 139728), (4686, 136776), (5004, 128084), (5112, 125378), (5412, 118428), (5699, 112464), (5822, 110088), (5904, 108559), (6116, 104796), (6248, 102582), (6672, 96063), (7029, 91184), (7216, 88821), (8118, 78952), (8733, 73392), (9174, 69864), (9372, 68388), (9869, 64944), (10008, 64042), (10224, 62689), (10824, 59214), (11398, 56232), (11644, 55044), (12232, 52398), (12496, 51291), (13761, 46576), (14058, 45592), (16236, 39476), (17097, 37488), (17466, 36696), (18348, 34932), (18744, 34194), (19738, 32472), (20016, 32021), (21648, 29607), (22796, 28116), (23288, 27522), (24464, 26199)]