399501360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:420

約数の個数: 240

約数和(自身を含む): 1437336576

約数和(自身を除く): 1037835216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 127, 136, 144, 153, 170, 180, 204, 240, 254, 255, 257, 272, 306, 340, 360, 381, 408, 508, 510, 514, 612, 635, 680, 720, 762, 765, 771, 816, 1016, 1020, 1028, 1143, 1224, 1270, 1285, 1360, 1524, 1530, 1542, 1905, 2032, 2040, 2056, 2159, 2286, 2313, 2448, 2540, 2570, 3048, 3060, 3084, 3810, 3855, 4080, 4112, 4318, 4369, 4572, 4626, 5080, 5140, 5715, 6096, 6120, 6168, 6477, 7620, 7710, 8636, 8738, 9144, 9252, 10160, 10280, 10795, 11430, 11565, 12240, 12336, 12954, 13107, 15240, 15420, 17272, 17476, 18288, 18504, 19431, 20560, 21590, 21845, 22860, 23130, 25908, 26214, 30480, 30840, 32385, 32639, 34544, 34952, 37008, 38862, 39321, 43180, 43690, 45720, 46260, 51816, 52428, 61680, 64770, 65278, 65535, 69904, 77724, 78642, 86360, 87380, 91440, 92520, 97155, 97917, 103632, 104856, 129540, 130556, 131070, 155448, 157284, 163195, 172720, 174760, 185040, 194310, 195834, 196605, 209712, 259080, 261112, 262140, 293751, 310896, 314568, 326390, 349520, 388620, 391668, 393210, 489585, 518160, 522224, 524280, 554863, 587502, 629136, 652780, 777240, 783336, 786420, 979170, 1048560, 1109726, 1175004, 1305560, 1468755, 1554480, 1566672, 1572840, 1664589, 1958340, 2219452, 2350008, 2611120, 2774315, 2937510, 3145680, 3329178, 3916680, 4438904, 4700016, 4993767, 5548630, 5875020, 6658356, 7833360, 8322945, 8877808, 9987534, 11097260, 11750040, 13316712, 16645890, 19975068, 22194520, 23500080, 24968835, 26633424, 33291780, 39950136, 44389040, 49937670, 66583560, 79900272, 99875340, 133167120, 199750680, 399501360]

約数ペア:

[(1, 399501360), (2, 199750680), (3, 133167120), (4, 99875340), (5, 79900272), (6, 66583560), (8, 49937670), (9, 44389040), (10, 39950136), (12, 33291780), (15, 26633424), (16, 24968835), (17, 23500080), (18, 22194520), (20, 19975068), (24, 16645890), (30, 13316712), (34, 11750040), (36, 11097260), (40, 9987534), (45, 8877808), (48, 8322945), (51, 7833360), (60, 6658356), (68, 5875020), (72, 5548630), (80, 4993767), (85, 4700016), (90, 4438904), (102, 3916680), (120, 3329178), (127, 3145680), (136, 2937510), (144, 2774315), (153, 2611120), (170, 2350008), (180, 2219452), (204, 1958340), (240, 1664589), (254, 1572840), (255, 1566672), (257, 1554480), (272, 1468755), (306, 1305560), (340, 1175004), (360, 1109726), (381, 1048560), (408, 979170), (508, 786420), (510, 783336), (514, 777240), (612, 652780), (635, 629136), (680, 587502), (720, 554863), (762, 524280), (765, 522224), (771, 518160), (816, 489585), (1016, 393210), (1020, 391668), (1028, 388620), (1143, 349520), (1224, 326390), (1270, 314568), (1285, 310896), (1360, 293751), (1524, 262140), (1530, 261112), (1542, 259080), (1905, 209712), (2032, 196605), (2040, 195834), (2056, 194310), (2159, 185040), (2286, 174760), (2313, 172720), (2448, 163195), (2540, 157284), (2570, 155448), (3048, 131070), (3060, 130556), (3084, 129540), (3810, 104856), (3855, 103632), (4080, 97917), (4112, 97155), (4318, 92520), (4369, 91440), (4572, 87380), (4626, 86360), (5080, 78642), (5140, 77724), (5715, 69904), (6096, 65535), (6120, 65278), (6168, 64770), (6477, 61680), (7620, 52428), (7710, 51816), (8636, 46260), (8738, 45720), (9144, 43690), (9252, 43180), (10160, 39321), (10280, 38862), (10795, 37008), (11430, 34952), (11565, 34544), (12240, 32639), (12336, 32385), (12954, 30840), (13107, 30480), (15240, 26214), (15420, 25908), (17272, 23130), (17476, 22860), (18288, 21845), (18504, 21590), (19431, 20560)]