326996520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{461}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 1029853440

約数和(自身を除く): 702856920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 257, 276, 345, 460, 461, 514, 552, 690, 771, 920, 922, 1028, 1285, 1380, 1383, 1542, 1844, 2056, 2305, 2570, 2760, 2766, 3084, 3688, 3855, 4610, 5140, 5532, 5911, 6168, 6915, 7710, 9220, 10280, 10603, 11064, 11822, 13830, 15420, 17733, 18440, 21206, 23644, 27660, 29555, 30840, 31809, 35466, 42412, 47288, 53015, 55320, 59110, 63618, 70932, 84824, 88665, 106030, 118220, 118477, 127236, 141864, 159045, 177330, 212060, 236440, 236954, 254472, 318090, 354660, 355431, 424120, 473908, 592385, 636180, 709320, 710862, 947816, 1184770, 1272360, 1421724, 1777155, 2369540, 2724971, 2843448, 3554310, 4739080, 5449942, 7108620, 8174913, 10899884, 13624855, 14217240, 16349826, 21799768, 27249710, 32699652, 40874565, 54499420, 65399304, 81749130, 108998840, 163498260, 326996520]

約数ペア:

[(1, 326996520), (2, 163498260), (3, 108998840), (4, 81749130), (5, 65399304), (6, 54499420), (8, 40874565), (10, 32699652), (12, 27249710), (15, 21799768), (20, 16349826), (23, 14217240), (24, 13624855), (30, 10899884), (40, 8174913), (46, 7108620), (60, 5449942), (69, 4739080), (92, 3554310), (115, 2843448), (120, 2724971), (138, 2369540), (184, 1777155), (230, 1421724), (257, 1272360), (276, 1184770), (345, 947816), (460, 710862), (461, 709320), (514, 636180), (552, 592385), (690, 473908), (771, 424120), (920, 355431), (922, 354660), (1028, 318090), (1285, 254472), (1380, 236954), (1383, 236440), (1542, 212060), (1844, 177330), (2056, 159045), (2305, 141864), (2570, 127236), (2760, 118477), (2766, 118220), (3084, 106030), (3688, 88665), (3855, 84824), (4610, 70932), (5140, 63618), (5532, 59110), (5911, 55320), (6168, 53015), (6915, 47288), (7710, 42412), (9220, 35466), (10280, 31809), (10603, 30840), (11064, 29555), (11822, 27660), (13830, 23644), (15420, 21206), (17733, 18440)]