320898760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3833}}^1$

素因数の和:3887

約数の個数: 128

約数和(自身を含む): 927521280

約数和(自身を除く): 606622520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 2093, 2392, 2990, 3220, 3640, 3833, 4186, 5980, 6440, 7666, 8372, 10465, 11960, 15332, 16744, 19165, 20930, 26831, 30664, 38330, 41860, 49829, 53662, 76660, 83720, 88159, 99658, 107324, 134155, 153320, 176318, 199316, 214648, 249145, 268310, 348803, 352636, 398632, 440795, 498290, 536620, 617113, 697606, 705272, 881590, 996580, 1073240, 1146067, 1234226, 1395212, 1744015, 1763180, 1993160, 2292134, 2468452, 2790424, 3085565, 3488030, 3526360, 4584268, 4936904, 5730335, 6171130, 6976060, 8022469, 9168536, 11460670, 12342260, 13952120, 16044938, 22921340, 24684520, 32089876, 40112345, 45842680, 64179752, 80224690, 160449380, 320898760]

約数ペア:

[(1, 320898760), (2, 160449380), (4, 80224690), (5, 64179752), (7, 45842680), (8, 40112345), (10, 32089876), (13, 24684520), (14, 22921340), (20, 16044938), (23, 13952120), (26, 12342260), (28, 11460670), (35, 9168536), (40, 8022469), (46, 6976060), (52, 6171130), (56, 5730335), (65, 4936904), (70, 4584268), (91, 3526360), (92, 3488030), (104, 3085565), (115, 2790424), (130, 2468452), (140, 2292134), (161, 1993160), (182, 1763180), (184, 1744015), (230, 1395212), (260, 1234226), (280, 1146067), (299, 1073240), (322, 996580), (364, 881590), (455, 705272), (460, 697606), (520, 617113), (598, 536620), (644, 498290), (728, 440795), (805, 398632), (910, 352636), (920, 348803), (1196, 268310), (1288, 249145), (1495, 214648), (1610, 199316), (1820, 176318), (2093, 153320), (2392, 134155), (2990, 107324), (3220, 99658), (3640, 88159), (3833, 83720), (4186, 76660), (5980, 53662), (6440, 49829), (7666, 41860), (8372, 38330), (10465, 30664), (11960, 26831), (15332, 20930), (16744, 19165)]