128687760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 240

約数和(自身を含む): 475862400

約数和(自身を除く): 347174640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 30, 36, 38, 40, 45, 46, 48, 57, 60, 69, 72, 76, 80, 90, 92, 95, 114, 115, 120, 138, 144, 152, 171, 180, 184, 190, 207, 228, 230, 240, 276, 285, 304, 342, 345, 360, 368, 380, 409, 414, 437, 456, 460, 552, 570, 684, 690, 720, 760, 818, 828, 855, 874, 912, 920, 1035, 1104, 1140, 1227, 1311, 1368, 1380, 1520, 1636, 1656, 1710, 1748, 1840, 2045, 2070, 2185, 2280, 2454, 2622, 2736, 2760, 3272, 3312, 3420, 3496, 3681, 3933, 4090, 4140, 4370, 4560, 4908, 5244, 5520, 6135, 6544, 6555, 6840, 6992, 7362, 7771, 7866, 8180, 8280, 8740, 9407, 9816, 10488, 12270, 13110, 13680, 14724, 15542, 15732, 16360, 16560, 17480, 18405, 18814, 19632, 19665, 20976, 23313, 24540, 26220, 28221, 29448, 31084, 31464, 32720, 34960, 36810, 37628, 38855, 39330, 46626, 47035, 49080, 52440, 56442, 58896, 62168, 62928, 69939, 73620, 75256, 77710, 78660, 84663, 93252, 94070, 98160, 104880, 112884, 116565, 124336, 139878, 141105, 147240, 150512, 155420, 157320, 169326, 178733, 186504, 188140, 225768, 233130, 279756, 282210, 294480, 310840, 314640, 338652, 349695, 357466, 373008, 376280, 423315, 451536, 466260, 536199, 559512, 564420, 621680, 677304, 699390, 714932, 752560, 846630, 893665, 932520, 1072398, 1119024, 1128840, 1354608, 1398780, 1429864, 1608597, 1693260, 1787330, 1865040, 2144796, 2257680, 2680995, 2797560, 2859728, 3217194, 3386520, 3574660, 4289592, 5361990, 5595120, 6434388, 6773040, 7149320, 8042985, 8579184, 10723980, 12868776, 14298640, 16085970, 21447960, 25737552, 32171940, 42895920, 64343880, 128687760]

約数ペア:

[(1, 128687760), (2, 64343880), (3, 42895920), (4, 32171940), (5, 25737552), (6, 21447960), (8, 16085970), (9, 14298640), (10, 12868776), (12, 10723980), (15, 8579184), (16, 8042985), (18, 7149320), (19, 6773040), (20, 6434388), (23, 5595120), (24, 5361990), (30, 4289592), (36, 3574660), (38, 3386520), (40, 3217194), (45, 2859728), (46, 2797560), (48, 2680995), (57, 2257680), (60, 2144796), (69, 1865040), (72, 1787330), (76, 1693260), (80, 1608597), (90, 1429864), (92, 1398780), (95, 1354608), (114, 1128840), (115, 1119024), (120, 1072398), (138, 932520), (144, 893665), (152, 846630), (171, 752560), (180, 714932), (184, 699390), (190, 677304), (207, 621680), (228, 564420), (230, 559512), (240, 536199), (276, 466260), (285, 451536), (304, 423315), (342, 376280), (345, 373008), (360, 357466), (368, 349695), (380, 338652), (409, 314640), (414, 310840), (437, 294480), (456, 282210), (460, 279756), (552, 233130), (570, 225768), (684, 188140), (690, 186504), (720, 178733), (760, 169326), (818, 157320), (828, 155420), (855, 150512), (874, 147240), (912, 141105), (920, 139878), (1035, 124336), (1104, 116565), (1140, 112884), (1227, 104880), (1311, 98160), (1368, 94070), (1380, 93252), (1520, 84663), (1636, 78660), (1656, 77710), (1710, 75256), (1748, 73620), (1840, 69939), (2045, 62928), (2070, 62168), (2185, 58896), (2280, 56442), (2454, 52440), (2622, 49080), (2736, 47035), (2760, 46626), (3272, 39330), (3312, 38855), (3420, 37628), (3496, 36810), (3681, 34960), (3933, 32720), (4090, 31464), (4140, 31084), (4370, 29448), (4560, 28221), (4908, 26220), (5244, 24540), (5520, 23313), (6135, 20976), (6544, 19665), (6555, 19632), (6840, 18814), (6992, 18405), (7362, 17480), (7771, 16560), (7866, 16360), (8180, 15732), (8280, 15542), (8740, 14724), (9407, 13680), (9816, 13110), (10488, 12270)]