217756560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{571}}^1$

素因数の和:821

約数の個数: 160

約数和(自身を含む): 776236032

約数和(自身を除く): 558479472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 227, 240, 280, 336, 420, 454, 560, 571, 681, 840, 908, 1135, 1142, 1362, 1589, 1680, 1713, 1816, 2270, 2284, 2724, 2855, 3178, 3405, 3426, 3632, 3997, 4540, 4568, 4767, 5448, 5710, 6356, 6810, 6852, 7945, 7994, 8565, 9080, 9136, 9534, 10896, 11420, 11991, 12712, 13620, 13704, 15890, 15988, 17130, 18160, 19068, 19985, 22840, 23835, 23982, 25424, 27240, 27408, 31780, 31976, 34260, 38136, 39970, 45680, 47670, 47964, 54480, 59955, 63560, 63952, 68520, 76272, 79940, 95340, 95928, 119910, 127120, 129617, 137040, 159880, 190680, 191856, 239820, 259234, 319760, 381360, 388851, 479640, 518468, 648085, 777702, 907319, 959280, 1036936, 1296170, 1555404, 1814638, 1944255, 2073872, 2592340, 2721957, 3110808, 3629276, 3888510, 4536595, 5184680, 5443914, 6221616, 7258552, 7777020, 9073190, 10369360, 10887828, 13609785, 14517104, 15554040, 18146380, 21775656, 27219570, 31108080, 36292760, 43551312, 54439140, 72585520, 108878280, 217756560]

約数ペア:

[(1, 217756560), (2, 108878280), (3, 72585520), (4, 54439140), (5, 43551312), (6, 36292760), (7, 31108080), (8, 27219570), (10, 21775656), (12, 18146380), (14, 15554040), (15, 14517104), (16, 13609785), (20, 10887828), (21, 10369360), (24, 9073190), (28, 7777020), (30, 7258552), (35, 6221616), (40, 5443914), (42, 5184680), (48, 4536595), (56, 3888510), (60, 3629276), (70, 3110808), (80, 2721957), (84, 2592340), (105, 2073872), (112, 1944255), (120, 1814638), (140, 1555404), (168, 1296170), (210, 1036936), (227, 959280), (240, 907319), (280, 777702), (336, 648085), (420, 518468), (454, 479640), (560, 388851), (571, 381360), (681, 319760), (840, 259234), (908, 239820), (1135, 191856), (1142, 190680), (1362, 159880), (1589, 137040), (1680, 129617), (1713, 127120), (1816, 119910), (2270, 95928), (2284, 95340), (2724, 79940), (2855, 76272), (3178, 68520), (3405, 63952), (3426, 63560), (3632, 59955), (3997, 54480), (4540, 47964), (4568, 47670), (4767, 45680), (5448, 39970), (5710, 38136), (6356, 34260), (6810, 31976), (6852, 31780), (7945, 27408), (7994, 27240), (8565, 25424), (9080, 23982), (9136, 23835), (9534, 22840), (10896, 19985), (11420, 19068), (11991, 18160), (12712, 17130), (13620, 15988), (13704, 15890)]