21780029760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{4931}}^1$

素因数の和:5101

約数の個数: 224

約数和(自身を含む): 71435561472

約数和(自身を除く): 49655531712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 107, 120, 129, 160, 172, 192, 214, 215, 240, 258, 320, 321, 344, 428, 430, 480, 516, 535, 642, 645, 688, 856, 860, 960, 1032, 1070, 1284, 1290, 1376, 1605, 1712, 1720, 2064, 2140, 2568, 2580, 2752, 3210, 3424, 3440, 4128, 4280, 4601, 4931, 5136, 5160, 6420, 6848, 6880, 8256, 8560, 9202, 9862, 10272, 10320, 12840, 13760, 13803, 14793, 17120, 18404, 19724, 20544, 20640, 23005, 24655, 25680, 27606, 29586, 34240, 36808, 39448, 41280, 46010, 49310, 51360, 55212, 59172, 69015, 73616, 73965, 78896, 92020, 98620, 102720, 110424, 118344, 138030, 147232, 147930, 157792, 184040, 197240, 212033, 220848, 236688, 276060, 294464, 295860, 315584, 368080, 394480, 424066, 441696, 473376, 527617, 552120, 591720, 636099, 736160, 788960, 848132, 883392, 946752, 1055234, 1060165, 1104240, 1183440, 1272198, 1472320, 1577920, 1582851, 1696264, 2110468, 2120330, 2208480, 2366880, 2544396, 2638085, 3165702, 3180495, 3392528, 4220936, 4240660, 4416960, 4733760, 5088792, 5276170, 6331404, 6360990, 6785056, 7914255, 8441872, 8481320, 10177584, 10552340, 12662808, 12721980, 13570112, 15828510, 16883744, 16962640, 20355168, 21104680, 22687531, 25325616, 25443960, 31657020, 33767488, 33925280, 40710336, 42209360, 45375062, 50651232, 50887920, 63314040, 67850560, 68062593, 84418720, 90750124, 101302464, 101775840, 113437655, 126628080, 136125186, 168837440, 181500248, 203551680, 226875310, 253256160, 272250372, 340312965, 363000496, 453750620, 506512320, 544500744, 680625930, 726000992, 907501240, 1089001488, 1361251860, 1452001984, 1815002480, 2178002976, 2722503720, 3630004960, 4356005952, 5445007440, 7260009920, 10890014880, 21780029760]

約数ペア:

[(1, 21780029760), (2, 10890014880), (3, 7260009920), (4, 5445007440), (5, 4356005952), (6, 3630004960), (8, 2722503720), (10, 2178002976), (12, 1815002480), (15, 1452001984), (16, 1361251860), (20, 1089001488), (24, 907501240), (30, 726000992), (32, 680625930), (40, 544500744), (43, 506512320), (48, 453750620), (60, 363000496), (64, 340312965), (80, 272250372), (86, 253256160), (96, 226875310), (107, 203551680), (120, 181500248), (129, 168837440), (160, 136125186), (172, 126628080), (192, 113437655), (214, 101775840), (215, 101302464), (240, 90750124), (258, 84418720), (320, 68062593), (321, 67850560), (344, 63314040), (428, 50887920), (430, 50651232), (480, 45375062), (516, 42209360), (535, 40710336), (642, 33925280), (645, 33767488), (688, 31657020), (856, 25443960), (860, 25325616), (960, 22687531), (1032, 21104680), (1070, 20355168), (1284, 16962640), (1290, 16883744), (1376, 15828510), (1605, 13570112), (1712, 12721980), (1720, 12662808), (2064, 10552340), (2140, 10177584), (2568, 8481320), (2580, 8441872), (2752, 7914255), (3210, 6785056), (3424, 6360990), (3440, 6331404), (4128, 5276170), (4280, 5088792), (4601, 4733760), (4931, 4416960), (5136, 4240660), (5160, 4220936), (6420, 3392528), (6848, 3180495), (6880, 3165702), (8256, 2638085), (8560, 2544396), (9202, 2366880), (9862, 2208480), (10272, 2120330), (10320, 2110468), (12840, 1696264), (13760, 1582851), (13803, 1577920), (14793, 1472320), (17120, 1272198), (18404, 1183440), (19724, 1104240), (20544, 1060165), (20640, 1055234), (23005, 946752), (24655, 883392), (25680, 848132), (27606, 788960), (29586, 736160), (34240, 636099), (36808, 591720), (39448, 552120), (41280, 527617), (46010, 473376), (49310, 441696), (51360, 424066), (55212, 394480), (59172, 368080), (69015, 315584), (73616, 295860), (73965, 294464), (78896, 276060), (92020, 236688), (98620, 220848), (102720, 212033), (110424, 197240), (118344, 184040), (138030, 157792), (147232, 147930)]