254306640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 320

約数和(自身を含む): 982794240

約数和(自身を除く): 728487600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 48, 56, 57, 60, 62, 70, 76, 80, 84, 93, 95, 105, 112, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 240, 248, 257, 266, 280, 285, 304, 310, 336, 372, 380, 399, 420, 434, 456, 465, 496, 514, 532, 560, 570, 589, 620, 651, 665, 744, 760, 771, 798, 840, 868, 912, 930, 1028, 1064, 1085, 1140, 1178, 1240, 1285, 1302, 1330, 1488, 1520, 1542, 1596, 1680, 1736, 1767, 1799, 1860, 1995, 2056, 2128, 2170, 2280, 2356, 2480, 2570, 2604, 2660, 2945, 3084, 3192, 3255, 3472, 3534, 3598, 3720, 3855, 3990, 4112, 4123, 4340, 4560, 4712, 4883, 5140, 5208, 5320, 5397, 5890, 6168, 6384, 6510, 7068, 7196, 7440, 7710, 7967, 7980, 8246, 8680, 8835, 8995, 9424, 9766, 10280, 10416, 10640, 10794, 11780, 12336, 12369, 13020, 14136, 14392, 14649, 15420, 15934, 15960, 16492, 17360, 17670, 17990, 19532, 20560, 20615, 21588, 23560, 23901, 24415, 24738, 26040, 26985, 28272, 28784, 29298, 30840, 31868, 31920, 32984, 34181, 35340, 35980, 39064, 39835, 41230, 43176, 47120, 47802, 48830, 49476, 52080, 53970, 55769, 58596, 61680, 61845, 63736, 65968, 68362, 70680, 71960, 73245, 78128, 79670, 82460, 86352, 95604, 97660, 98952, 102543, 107940, 111538, 117192, 119505, 123690, 127472, 136724, 141360, 143920, 146490, 151373, 159340, 164920, 167307, 170905, 191208, 195320, 197904, 205086, 215880, 223076, 234384, 239010, 247380, 273448, 278845, 292980, 302746, 318680, 329840, 334614, 341810, 382416, 390640, 410172, 431760, 446152, 454119, 478020, 494760, 512715, 546896, 557690, 585960, 605492, 637360, 669228, 683620, 756865, 820344, 836535, 892304, 908238, 956040, 989520, 1025430, 1059611, 1115380, 1171920, 1210984, 1338456, 1367240, 1513730, 1640688, 1673070, 1816476, 1912080, 2050860, 2119222, 2230760, 2270595, 2421968, 2676912, 2734480, 3027460, 3178833, 3346140, 3632952, 4101720, 4238444, 4461520, 4541190, 5298055, 6054920, 6357666, 6692280, 7265904, 8203440, 8476888, 9082380, 10596110, 12109840, 12715332, 13384560, 15894165, 16953776, 18164760, 21192220, 25430664, 31788330, 36329520, 42384440, 50861328, 63576660, 84768880, 127153320, 254306640]

約数ペア:

[(1, 254306640), (2, 127153320), (3, 84768880), (4, 63576660), (5, 50861328), (6, 42384440), (7, 36329520), (8, 31788330), (10, 25430664), (12, 21192220), (14, 18164760), (15, 16953776), (16, 15894165), (19, 13384560), (20, 12715332), (21, 12109840), (24, 10596110), (28, 9082380), (30, 8476888), (31, 8203440), (35, 7265904), (38, 6692280), (40, 6357666), (42, 6054920), (48, 5298055), (56, 4541190), (57, 4461520), (60, 4238444), (62, 4101720), (70, 3632952), (76, 3346140), (80, 3178833), (84, 3027460), (93, 2734480), (95, 2676912), (105, 2421968), (112, 2270595), (114, 2230760), (120, 2119222), (124, 2050860), (133, 1912080), (140, 1816476), (152, 1673070), (155, 1640688), (168, 1513730), (186, 1367240), (190, 1338456), (210, 1210984), (217, 1171920), (228, 1115380), (240, 1059611), (248, 1025430), (257, 989520), (266, 956040), (280, 908238), (285, 892304), (304, 836535), (310, 820344), (336, 756865), (372, 683620), (380, 669228), (399, 637360), (420, 605492), (434, 585960), (456, 557690), (465, 546896), (496, 512715), (514, 494760), (532, 478020), (560, 454119), (570, 446152), (589, 431760), (620, 410172), (651, 390640), (665, 382416), (744, 341810), (760, 334614), (771, 329840), (798, 318680), (840, 302746), (868, 292980), (912, 278845), (930, 273448), (1028, 247380), (1064, 239010), (1085, 234384), (1140, 223076), (1178, 215880), (1240, 205086), (1285, 197904), (1302, 195320), (1330, 191208), (1488, 170905), (1520, 167307), (1542, 164920), (1596, 159340), (1680, 151373), (1736, 146490), (1767, 143920), (1799, 141360), (1860, 136724), (1995, 127472), (2056, 123690), (2128, 119505), (2170, 117192), (2280, 111538), (2356, 107940), (2480, 102543), (2570, 98952), (2604, 97660), (2660, 95604), (2945, 86352), (3084, 82460), (3192, 79670), (3255, 78128), (3472, 73245), (3534, 71960), (3598, 70680), (3720, 68362), (3855, 65968), (3990, 63736), (4112, 61845), (4123, 61680), (4340, 58596), (4560, 55769), (4712, 53970), (4883, 52080), (5140, 49476), (5208, 48830), (5320, 47802), (5397, 47120), (5890, 43176), (6168, 41230), (6384, 39835), (6510, 39064), (7068, 35980), (7196, 35340), (7440, 34181), (7710, 32984), (7967, 31920), (7980, 31868), (8246, 30840), (8680, 29298), (8835, 28784), (8995, 28272), (9424, 26985), (9766, 26040), (10280, 24738), (10416, 24415), (10640, 23901), (10794, 23560), (11780, 21588), (12336, 20615), (12369, 20560), (13020, 19532), (14136, 17990), (14392, 17670), (14649, 17360), (15420, 16492), (15934, 15960)]