245347440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 240

約数和(自身を含む): 862659072

約数和(自身を除く): 617311632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 169, 184, 195, 208, 230, 240, 260, 263, 276, 299, 312, 338, 345, 368, 390, 460, 507, 520, 526, 552, 598, 624, 676, 690, 780, 789, 845, 897, 920, 1014, 1040, 1052, 1104, 1196, 1315, 1352, 1380, 1495, 1560, 1578, 1690, 1794, 1840, 2028, 2104, 2392, 2535, 2630, 2704, 2760, 2990, 3120, 3156, 3380, 3419, 3588, 3887, 3945, 4056, 4208, 4485, 4784, 5070, 5260, 5520, 5980, 6049, 6312, 6760, 6838, 7176, 7774, 7890, 8112, 8970, 10140, 10257, 10520, 11661, 11960, 12098, 12624, 13520, 13676, 14352, 15548, 15780, 17095, 17940, 18147, 19435, 20280, 20514, 21040, 23322, 23920, 24196, 27352, 30245, 31096, 31560, 34190, 35880, 36294, 38870, 40560, 41028, 44447, 46644, 48392, 51285, 54704, 58305, 60490, 62192, 63120, 68380, 71760, 72588, 77740, 78637, 82056, 88894, 90735, 93288, 96784, 102570, 116610, 120980, 133341, 136760, 145176, 155480, 157274, 164112, 177788, 181470, 186576, 205140, 222235, 233220, 235911, 241960, 266682, 273520, 290352, 310960, 314548, 355576, 362940, 393185, 410280, 444470, 466440, 471822, 483920, 533364, 629096, 666705, 711152, 725880, 786370, 820560, 888940, 932880, 943644, 1022281, 1066728, 1179555, 1258192, 1333410, 1451760, 1572740, 1777880, 1887288, 2044562, 2133456, 2359110, 2666820, 3066843, 3145480, 3555760, 3774576, 4089124, 4718220, 5111405, 5333640, 6133686, 6290960, 8178248, 9436440, 10222810, 10667280, 12267372, 15334215, 16356496, 18872880, 20445620, 24534744, 30668430, 40891240, 49069488, 61336860, 81782480, 122673720, 245347440]

約数ペア:

[(1, 245347440), (2, 122673720), (3, 81782480), (4, 61336860), (5, 49069488), (6, 40891240), (8, 30668430), (10, 24534744), (12, 20445620), (13, 18872880), (15, 16356496), (16, 15334215), (20, 12267372), (23, 10667280), (24, 10222810), (26, 9436440), (30, 8178248), (39, 6290960), (40, 6133686), (46, 5333640), (48, 5111405), (52, 4718220), (60, 4089124), (65, 3774576), (69, 3555760), (78, 3145480), (80, 3066843), (92, 2666820), (104, 2359110), (115, 2133456), (120, 2044562), (130, 1887288), (138, 1777880), (156, 1572740), (169, 1451760), (184, 1333410), (195, 1258192), (208, 1179555), (230, 1066728), (240, 1022281), (260, 943644), (263, 932880), (276, 888940), (299, 820560), (312, 786370), (338, 725880), (345, 711152), (368, 666705), (390, 629096), (460, 533364), (507, 483920), (520, 471822), (526, 466440), (552, 444470), (598, 410280), (624, 393185), (676, 362940), (690, 355576), (780, 314548), (789, 310960), (845, 290352), (897, 273520), (920, 266682), (1014, 241960), (1040, 235911), (1052, 233220), (1104, 222235), (1196, 205140), (1315, 186576), (1352, 181470), (1380, 177788), (1495, 164112), (1560, 157274), (1578, 155480), (1690, 145176), (1794, 136760), (1840, 133341), (2028, 120980), (2104, 116610), (2392, 102570), (2535, 96784), (2630, 93288), (2704, 90735), (2760, 88894), (2990, 82056), (3120, 78637), (3156, 77740), (3380, 72588), (3419, 71760), (3588, 68380), (3887, 63120), (3945, 62192), (4056, 60490), (4208, 58305), (4485, 54704), (4784, 51285), (5070, 48392), (5260, 46644), (5520, 44447), (5980, 41028), (6049, 40560), (6312, 38870), (6760, 36294), (6838, 35880), (7176, 34190), (7774, 31560), (7890, 31096), (8112, 30245), (8970, 27352), (10140, 24196), (10257, 23920), (10520, 23322), (11661, 21040), (11960, 20514), (12098, 20280), (12624, 19435), (13520, 18147), (13676, 17940), (14352, 17095), (15548, 15780)]