1261378512

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:618

約数の個数: 240

約数和(自身を含む): 3998636928

約数和(自身を除く): 2737258416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 23, 24, 34, 36, 43, 46, 48, 51, 68, 69, 72, 86, 92, 102, 129, 136, 138, 144, 153, 172, 184, 204, 207, 258, 272, 276, 306, 344, 368, 387, 391, 408, 414, 516, 521, 552, 612, 688, 731, 774, 782, 816, 828, 989, 1032, 1042, 1104, 1173, 1224, 1462, 1548, 1563, 1564, 1656, 1978, 2064, 2084, 2193, 2346, 2448, 2924, 2967, 3096, 3126, 3128, 3312, 3519, 3956, 4168, 4386, 4689, 4692, 5848, 5934, 6192, 6252, 6256, 6579, 7038, 7912, 8336, 8772, 8857, 8901, 9378, 9384, 11696, 11868, 11983, 12504, 13158, 14076, 15824, 16813, 17544, 17714, 17802, 18756, 18768, 22403, 23736, 23966, 25008, 26316, 26571, 28152, 33626, 35088, 35428, 35604, 35949, 37512, 44806, 47472, 47932, 50439, 52632, 53142, 56304, 67209, 67252, 70856, 71208, 71898, 75024, 79713, 89612, 95864, 100878, 105264, 106284, 107847, 134418, 134504, 141712, 142416, 143796, 151317, 159426, 179224, 191728, 201627, 201756, 203711, 212568, 215694, 268836, 269008, 287592, 302634, 318852, 358448, 380851, 403254, 403512, 407422, 425136, 431388, 515269, 537672, 575184, 605268, 611133, 637704, 761702, 806508, 807024, 814844, 862776, 1030538, 1075344, 1142553, 1210536, 1222266, 1275408, 1523404, 1545807, 1613016, 1629688, 1725552, 1833399, 2061076, 2285106, 2421072, 2444532, 3046808, 3091614, 3226032, 3259376, 3427659, 3666798, 4122152, 4570212, 4637421, 4889064, 6093616, 6183228, 6855318, 7333596, 8244304, 8759573, 9140424, 9274842, 9778128, 12366456, 13710636, 14667192, 17519146, 18280848, 18549684, 24732912, 26278719, 27421272, 29334384, 35038292, 37099368, 52557438, 54842544, 70076584, 74198736, 78836157, 105114876, 140153168, 157672314, 210229752, 315344628, 420459504, 630689256, 1261378512]

約数ペア:

[(1, 1261378512), (2, 630689256), (3, 420459504), (4, 315344628), (6, 210229752), (8, 157672314), (9, 140153168), (12, 105114876), (16, 78836157), (17, 74198736), (18, 70076584), (23, 54842544), (24, 52557438), (34, 37099368), (36, 35038292), (43, 29334384), (46, 27421272), (48, 26278719), (51, 24732912), (68, 18549684), (69, 18280848), (72, 17519146), (86, 14667192), (92, 13710636), (102, 12366456), (129, 9778128), (136, 9274842), (138, 9140424), (144, 8759573), (153, 8244304), (172, 7333596), (184, 6855318), (204, 6183228), (207, 6093616), (258, 4889064), (272, 4637421), (276, 4570212), (306, 4122152), (344, 3666798), (368, 3427659), (387, 3259376), (391, 3226032), (408, 3091614), (414, 3046808), (516, 2444532), (521, 2421072), (552, 2285106), (612, 2061076), (688, 1833399), (731, 1725552), (774, 1629688), (782, 1613016), (816, 1545807), (828, 1523404), (989, 1275408), (1032, 1222266), (1042, 1210536), (1104, 1142553), (1173, 1075344), (1224, 1030538), (1462, 862776), (1548, 814844), (1563, 807024), (1564, 806508), (1656, 761702), (1978, 637704), (2064, 611133), (2084, 605268), (2193, 575184), (2346, 537672), (2448, 515269), (2924, 431388), (2967, 425136), (3096, 407422), (3126, 403512), (3128, 403254), (3312, 380851), (3519, 358448), (3956, 318852), (4168, 302634), (4386, 287592), (4689, 269008), (4692, 268836), (5848, 215694), (5934, 212568), (6192, 203711), (6252, 201756), (6256, 201627), (6579, 191728), (7038, 179224), (7912, 159426), (8336, 151317), (8772, 143796), (8857, 142416), (8901, 141712), (9378, 134504), (9384, 134418), (11696, 107847), (11868, 106284), (11983, 105264), (12504, 100878), (13158, 95864), (14076, 89612), (15824, 79713), (16813, 75024), (17544, 71898), (17714, 71208), (17802, 70856), (18756, 67252), (18768, 67209), (22403, 56304), (23736, 53142), (23966, 52632), (25008, 50439), (26316, 47932), (26571, 47472), (28152, 44806), (33626, 37512), (35088, 35949), (35428, 35604)]