25557840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:498

約数の個数: 240

約数和(自身を含む): 107243136

約数和(自身を除く): 81685296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 461, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 922, 924, 990, 1008, 1155, 1232, 1260, 1320, 1383, 1386, 1540, 1584, 1680, 1844, 1848, 1980, 2305, 2310, 2520, 2640, 2766, 2772, 3080, 3227, 3465, 3688, 3696, 3960, 4149, 4610, 4620, 5040, 5071, 5532, 5544, 6160, 6454, 6915, 6930, 7376, 7920, 8298, 9220, 9240, 9681, 10142, 11064, 11088, 12908, 13830, 13860, 15213, 16135, 16596, 18440, 18480, 19362, 20284, 20745, 22128, 25355, 25816, 27660, 27720, 29043, 30426, 32270, 33192, 35497, 36880, 38724, 40568, 41490, 45639, 48405, 50710, 51632, 55320, 55440, 58086, 60852, 64540, 66384, 70994, 76065, 77448, 81136, 82980, 91278, 96810, 101420, 106491, 110640, 116172, 121704, 129080, 141988, 145215, 152130, 154896, 165960, 177485, 182556, 193620, 202840, 212982, 228195, 232344, 243408, 258160, 283976, 290430, 304260, 319473, 331920, 354970, 365112, 387240, 405680, 425964, 456390, 464688, 532455, 567952, 580860, 608520, 638946, 709940, 730224, 774480, 851928, 912780, 1064910, 1161720, 1217040, 1277892, 1419880, 1597365, 1703856, 1825560, 2129820, 2323440, 2555784, 2839760, 3194730, 3651120, 4259640, 5111568, 6389460, 8519280, 12778920, 25557840]

約数ペア:

[(1, 25557840), (2, 12778920), (3, 8519280), (4, 6389460), (5, 5111568), (6, 4259640), (7, 3651120), (8, 3194730), (9, 2839760), (10, 2555784), (11, 2323440), (12, 2129820), (14, 1825560), (15, 1703856), (16, 1597365), (18, 1419880), (20, 1277892), (21, 1217040), (22, 1161720), (24, 1064910), (28, 912780), (30, 851928), (33, 774480), (35, 730224), (36, 709940), (40, 638946), (42, 608520), (44, 580860), (45, 567952), (48, 532455), (55, 464688), (56, 456390), (60, 425964), (63, 405680), (66, 387240), (70, 365112), (72, 354970), (77, 331920), (80, 319473), (84, 304260), (88, 290430), (90, 283976), (99, 258160), (105, 243408), (110, 232344), (112, 228195), (120, 212982), (126, 202840), (132, 193620), (140, 182556), (144, 177485), (154, 165960), (165, 154896), (168, 152130), (176, 145215), (180, 141988), (198, 129080), (210, 121704), (220, 116172), (231, 110640), (240, 106491), (252, 101420), (264, 96810), (280, 91278), (308, 82980), (315, 81136), (330, 77448), (336, 76065), (360, 70994), (385, 66384), (396, 64540), (420, 60852), (440, 58086), (461, 55440), (462, 55320), (495, 51632), (504, 50710), (528, 48405), (560, 45639), (616, 41490), (630, 40568), (660, 38724), (693, 36880), (720, 35497), (770, 33192), (792, 32270), (840, 30426), (880, 29043), (922, 27720), (924, 27660), (990, 25816), (1008, 25355), (1155, 22128), (1232, 20745), (1260, 20284), (1320, 19362), (1383, 18480), (1386, 18440), (1540, 16596), (1584, 16135), (1680, 15213), (1844, 13860), (1848, 13830), (1980, 12908), (2305, 11088), (2310, 11064), (2520, 10142), (2640, 9681), (2766, 9240), (2772, 9220), (3080, 8298), (3227, 7920), (3465, 7376), (3688, 6930), (3696, 6915), (3960, 6454), (4149, 6160), (4610, 5544), (4620, 5532), (5040, 5071)]