21840399720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1\times {\mathrm{1973}}^1$

素因数の和:2404

約数の個数: 192

約数和(自身を含む): 71975751120

約数和(自身を除く): 50135351400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 317, 360, 388, 485, 582, 634, 776, 873, 951, 970, 1164, 1268, 1455, 1585, 1746, 1902, 1940, 1973, 2328, 2536, 2853, 2910, 3170, 3492, 3804, 3880, 3946, 4365, 4755, 5706, 5820, 5919, 6340, 6984, 7608, 7892, 8730, 9510, 9865, 11412, 11640, 11838, 12680, 14265, 15784, 17460, 17757, 19020, 19730, 22824, 23676, 28530, 29595, 30749, 34920, 35514, 38040, 39460, 47352, 57060, 59190, 61498, 71028, 78920, 88785, 92247, 114120, 118380, 122996, 142056, 153745, 177570, 184494, 191381, 236760, 245992, 276741, 307490, 355140, 368988, 382762, 461235, 553482, 574143, 614980, 625441, 710280, 737976, 765524, 922470, 956905, 1106964, 1148286, 1229960, 1250882, 1383705, 1531048, 1722429, 1844940, 1876323, 1913810, 2213928, 2296572, 2501764, 2767410, 2870715, 3127205, 3444858, 3689880, 3752646, 3827620, 4593144, 5003528, 5534820, 5628969, 5741430, 6254410, 6889716, 7505292, 7655240, 8612145, 9381615, 11069640, 11257938, 11482860, 12508820, 13779432, 15010584, 17224290, 18763230, 22515876, 22965720, 25017640, 28144845, 34448580, 37526460, 45031752, 56289690, 60667777, 68897160, 75052920, 112579380, 121335554, 182003331, 225158760, 242671108, 303338885, 364006662, 485342216, 546009993, 606677770, 728013324, 910016655, 1092019986, 1213355540, 1456026648, 1820033310, 2184039972, 2426711080, 2730049965, 3640066620, 4368079944, 5460099930, 7280133240, 10920199860, 21840399720]

約数ペア:

[(1, 21840399720), (2, 10920199860), (3, 7280133240), (4, 5460099930), (5, 4368079944), (6, 3640066620), (8, 2730049965), (9, 2426711080), (10, 2184039972), (12, 1820033310), (15, 1456026648), (18, 1213355540), (20, 1092019986), (24, 910016655), (30, 728013324), (36, 606677770), (40, 546009993), (45, 485342216), (60, 364006662), (72, 303338885), (90, 242671108), (97, 225158760), (120, 182003331), (180, 121335554), (194, 112579380), (291, 75052920), (317, 68897160), (360, 60667777), (388, 56289690), (485, 45031752), (582, 37526460), (634, 34448580), (776, 28144845), (873, 25017640), (951, 22965720), (970, 22515876), (1164, 18763230), (1268, 17224290), (1455, 15010584), (1585, 13779432), (1746, 12508820), (1902, 11482860), (1940, 11257938), (1973, 11069640), (2328, 9381615), (2536, 8612145), (2853, 7655240), (2910, 7505292), (3170, 6889716), (3492, 6254410), (3804, 5741430), (3880, 5628969), (3946, 5534820), (4365, 5003528), (4755, 4593144), (5706, 3827620), (5820, 3752646), (5919, 3689880), (6340, 3444858), (6984, 3127205), (7608, 2870715), (7892, 2767410), (8730, 2501764), (9510, 2296572), (9865, 2213928), (11412, 1913810), (11640, 1876323), (11838, 1844940), (12680, 1722429), (14265, 1531048), (15784, 1383705), (17460, 1250882), (17757, 1229960), (19020, 1148286), (19730, 1106964), (22824, 956905), (23676, 922470), (28530, 765524), (29595, 737976), (30749, 710280), (34920, 625441), (35514, 614980), (38040, 574143), (39460, 553482), (47352, 461235), (57060, 382762), (59190, 368988), (61498, 355140), (71028, 307490), (78920, 276741), (88785, 245992), (92247, 236760), (114120, 191381), (118380, 184494), (122996, 177570), (142056, 153745)]