128345760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4691}}^1$

素因数の和:4731

約数の個数: 144

約数和(自身を含む): 461129760

約数和(自身を除く): 332784000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 4691, 5472, 6840, 9120, 9382, 13680, 14073, 18764, 23455, 27360, 28146, 37528, 42219, 46910, 56292, 70365, 75056, 84438, 89129, 93820, 112584, 140730, 150112, 168876, 178258, 187640, 211095, 225168, 267387, 281460, 337752, 356516, 375280, 422190, 445645, 450336, 534774, 562920, 675504, 713032, 750560, 802161, 844380, 891290, 1069548, 1125840, 1336935, 1351008, 1426064, 1604322, 1688760, 1782580, 2139096, 2251680, 2673870, 2852128, 3208644, 3377520, 3565160, 4010805, 4278192, 5347740, 6417288, 6755040, 7130320, 8021610, 8556384, 10695480, 12834576, 14260640, 16043220, 21390960, 25669152, 32086440, 42781920, 64172880, 128345760]

約数ペア:

[(1, 128345760), (2, 64172880), (3, 42781920), (4, 32086440), (5, 25669152), (6, 21390960), (8, 16043220), (9, 14260640), (10, 12834576), (12, 10695480), (15, 8556384), (16, 8021610), (18, 7130320), (19, 6755040), (20, 6417288), (24, 5347740), (30, 4278192), (32, 4010805), (36, 3565160), (38, 3377520), (40, 3208644), (45, 2852128), (48, 2673870), (57, 2251680), (60, 2139096), (72, 1782580), (76, 1688760), (80, 1604322), (90, 1426064), (95, 1351008), (96, 1336935), (114, 1125840), (120, 1069548), (144, 891290), (152, 844380), (160, 802161), (171, 750560), (180, 713032), (190, 675504), (228, 562920), (240, 534774), (285, 450336), (288, 445645), (304, 422190), (342, 375280), (360, 356516), (380, 337752), (456, 281460), (480, 267387), (570, 225168), (608, 211095), (684, 187640), (720, 178258), (760, 168876), (855, 150112), (912, 140730), (1140, 112584), (1368, 93820), (1440, 89129), (1520, 84438), (1710, 75056), (1824, 70365), (2280, 56292), (2736, 46910), (3040, 42219), (3420, 37528), (4560, 28146), (4691, 27360), (5472, 23455), (6840, 18764), (9120, 14073), (9382, 13680)]