247006760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 256

約数和(自身を含む): 774144000

約数和(自身を除く): 527137240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 40, 44, 52, 55, 56, 62, 65, 70, 77, 88, 91, 104, 110, 124, 130, 140, 143, 154, 155, 182, 199, 217, 220, 248, 260, 280, 286, 308, 310, 341, 364, 385, 398, 403, 434, 440, 455, 520, 572, 616, 620, 682, 715, 728, 770, 796, 806, 868, 910, 995, 1001, 1085, 1144, 1240, 1364, 1393, 1430, 1540, 1592, 1612, 1705, 1736, 1820, 1990, 2002, 2015, 2170, 2189, 2387, 2587, 2728, 2786, 2821, 2860, 3080, 3224, 3410, 3640, 3980, 4004, 4030, 4340, 4378, 4433, 4774, 5005, 5174, 5572, 5642, 5720, 6169, 6820, 6965, 7960, 8008, 8060, 8680, 8756, 8866, 9548, 10010, 10348, 10945, 11144, 11284, 11935, 12338, 12935, 13640, 13930, 14105, 15323, 16120, 17512, 17732, 18109, 19096, 20020, 20696, 21890, 22165, 22568, 23870, 24676, 25870, 27860, 28210, 28457, 30646, 30845, 31031, 35464, 36218, 40040, 43183, 43780, 44330, 47740, 49352, 51740, 55720, 56420, 56914, 61292, 61690, 62062, 67859, 72436, 76615, 80197, 86366, 87560, 88660, 90545, 95480, 103480, 112840, 113828, 122584, 123380, 124124, 135718, 142285, 144872, 153230, 155155, 160394, 172732, 177320, 181090, 199199, 215915, 227656, 246760, 248248, 271436, 284570, 306460, 310310, 320788, 339295, 345464, 362180, 398398, 400985, 431830, 475013, 542872, 561379, 569140, 612920, 620620, 641576, 678590, 724360, 796796, 801970, 863660, 882167, 950026, 995995, 1122758, 1138280, 1241240, 1357180, 1593592, 1603940, 1727320, 1764334, 1900052, 1991990, 2245516, 2375065, 2714360, 2806895, 3207880, 3528668, 3800104, 3983980, 4410835, 4491032, 4750130, 5613790, 6175169, 7057336, 7967960, 8821670, 9500260, 11227580, 12350338, 17643340, 19000520, 22455160, 24700676, 30875845, 35286680, 49401352, 61751690, 123503380, 247006760]

約数ペア:

[(1, 247006760), (2, 123503380), (4, 61751690), (5, 49401352), (7, 35286680), (8, 30875845), (10, 24700676), (11, 22455160), (13, 19000520), (14, 17643340), (20, 12350338), (22, 11227580), (26, 9500260), (28, 8821670), (31, 7967960), (35, 7057336), (40, 6175169), (44, 5613790), (52, 4750130), (55, 4491032), (56, 4410835), (62, 3983980), (65, 3800104), (70, 3528668), (77, 3207880), (88, 2806895), (91, 2714360), (104, 2375065), (110, 2245516), (124, 1991990), (130, 1900052), (140, 1764334), (143, 1727320), (154, 1603940), (155, 1593592), (182, 1357180), (199, 1241240), (217, 1138280), (220, 1122758), (248, 995995), (260, 950026), (280, 882167), (286, 863660), (308, 801970), (310, 796796), (341, 724360), (364, 678590), (385, 641576), (398, 620620), (403, 612920), (434, 569140), (440, 561379), (455, 542872), (520, 475013), (572, 431830), (616, 400985), (620, 398398), (682, 362180), (715, 345464), (728, 339295), (770, 320788), (796, 310310), (806, 306460), (868, 284570), (910, 271436), (995, 248248), (1001, 246760), (1085, 227656), (1144, 215915), (1240, 199199), (1364, 181090), (1393, 177320), (1430, 172732), (1540, 160394), (1592, 155155), (1612, 153230), (1705, 144872), (1736, 142285), (1820, 135718), (1990, 124124), (2002, 123380), (2015, 122584), (2170, 113828), (2189, 112840), (2387, 103480), (2587, 95480), (2728, 90545), (2786, 88660), (2821, 87560), (2860, 86366), (3080, 80197), (3224, 76615), (3410, 72436), (3640, 67859), (3980, 62062), (4004, 61690), (4030, 61292), (4340, 56914), (4378, 56420), (4433, 55720), (4774, 51740), (5005, 49352), (5174, 47740), (5572, 44330), (5642, 43780), (5720, 43183), (6169, 40040), (6820, 36218), (6965, 35464), (7960, 31031), (8008, 30845), (8060, 30646), (8680, 28457), (8756, 28210), (8866, 27860), (9548, 25870), (10010, 24676), (10348, 23870), (10945, 22568), (11144, 22165), (11284, 21890), (11935, 20696), (12338, 20020), (12935, 19096), (13640, 18109), (13930, 17732), (14105, 17512), (15323, 16120)]