401291280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:527

約数の個数: 320

約数和(自身を含む): 1539901440

約数和(自身を除く): 1138610160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 48, 52, 54, 60, 62, 65, 72, 78, 80, 90, 93, 104, 108, 117, 120, 124, 130, 135, 144, 155, 156, 180, 186, 195, 208, 216, 234, 240, 248, 260, 270, 279, 310, 312, 351, 360, 372, 390, 403, 432, 461, 465, 468, 496, 520, 540, 558, 585, 620, 624, 702, 720, 744, 780, 806, 837, 922, 930, 936, 1040, 1080, 1116, 1170, 1209, 1240, 1383, 1395, 1404, 1488, 1560, 1612, 1674, 1755, 1844, 1860, 1872, 2015, 2160, 2232, 2305, 2340, 2418, 2480, 2766, 2790, 2808, 3120, 3224, 3348, 3510, 3627, 3688, 3720, 4030, 4149, 4185, 4464, 4610, 4680, 4836, 5532, 5580, 5616, 5993, 6045, 6448, 6696, 6915, 7020, 7254, 7376, 7440, 8060, 8298, 8370, 9220, 9360, 9672, 10881, 11064, 11160, 11986, 12090, 12447, 13392, 13830, 14040, 14291, 14508, 16120, 16596, 16740, 17979, 18135, 18440, 19344, 20745, 21762, 22128, 22320, 23972, 24180, 24894, 27660, 28080, 28582, 29016, 29965, 32240, 33192, 33480, 35958, 36270, 36880, 41490, 42873, 43524, 47944, 48360, 49788, 53937, 54405, 55320, 57164, 58032, 59930, 62235, 66384, 66960, 71455, 71916, 72540, 82980, 85746, 87048, 89895, 95888, 96720, 99576, 107874, 108810, 110640, 114328, 119860, 124470, 128619, 142910, 143832, 145080, 161811, 165960, 171492, 174096, 179790, 185783, 199152, 214365, 215748, 217620, 228656, 239720, 248940, 257238, 269685, 285820, 287664, 290160, 323622, 331920, 342984, 359580, 371566, 385857, 428730, 431496, 435240, 479440, 497880, 514476, 539370, 557349, 571640, 643095, 647244, 685968, 719160, 743132, 771714, 809055, 857460, 862992, 870480, 928915, 995760, 1028952, 1078740, 1114698, 1143280, 1286190, 1294488, 1438320, 1486264, 1543428, 1618110, 1672047, 1714920, 1857830, 1929285, 2057904, 2157480, 2229396, 2572380, 2588976, 2786745, 2972528, 3086856, 3236220, 3344094, 3429840, 3715660, 3858570, 4314960, 4458792, 5016141, 5144760, 5573490, 6173712, 6472440, 6688188, 7431320, 7717140, 8360235, 8917584, 10032282, 10289520, 11146980, 12944880, 13376376, 14862640, 15434280, 16720470, 20064564, 22293960, 25080705, 26752752, 30868560, 33440940, 40129128, 44587920, 50161410, 66881880, 80258256, 100322820, 133763760, 200645640, 401291280]

約数ペア:

[(1, 401291280), (2, 200645640), (3, 133763760), (4, 100322820), (5, 80258256), (6, 66881880), (8, 50161410), (9, 44587920), (10, 40129128), (12, 33440940), (13, 30868560), (15, 26752752), (16, 25080705), (18, 22293960), (20, 20064564), (24, 16720470), (26, 15434280), (27, 14862640), (30, 13376376), (31, 12944880), (36, 11146980), (39, 10289520), (40, 10032282), (45, 8917584), (48, 8360235), (52, 7717140), (54, 7431320), (60, 6688188), (62, 6472440), (65, 6173712), (72, 5573490), (78, 5144760), (80, 5016141), (90, 4458792), (93, 4314960), (104, 3858570), (108, 3715660), (117, 3429840), (120, 3344094), (124, 3236220), (130, 3086856), (135, 2972528), (144, 2786745), (155, 2588976), (156, 2572380), (180, 2229396), (186, 2157480), (195, 2057904), (208, 1929285), (216, 1857830), (234, 1714920), (240, 1672047), (248, 1618110), (260, 1543428), (270, 1486264), (279, 1438320), (310, 1294488), (312, 1286190), (351, 1143280), (360, 1114698), (372, 1078740), (390, 1028952), (403, 995760), (432, 928915), (461, 870480), (465, 862992), (468, 857460), (496, 809055), (520, 771714), (540, 743132), (558, 719160), (585, 685968), (620, 647244), (624, 643095), (702, 571640), (720, 557349), (744, 539370), (780, 514476), (806, 497880), (837, 479440), (922, 435240), (930, 431496), (936, 428730), (1040, 385857), (1080, 371566), (1116, 359580), (1170, 342984), (1209, 331920), (1240, 323622), (1383, 290160), (1395, 287664), (1404, 285820), (1488, 269685), (1560, 257238), (1612, 248940), (1674, 239720), (1755, 228656), (1844, 217620), (1860, 215748), (1872, 214365), (2015, 199152), (2160, 185783), (2232, 179790), (2305, 174096), (2340, 171492), (2418, 165960), (2480, 161811), (2766, 145080), (2790, 143832), (2808, 142910), (3120, 128619), (3224, 124470), (3348, 119860), (3510, 114328), (3627, 110640), (3688, 108810), (3720, 107874), (4030, 99576), (4149, 96720), (4185, 95888), (4464, 89895), (4610, 87048), (4680, 85746), (4836, 82980), (5532, 72540), (5580, 71916), (5616, 71455), (5993, 66960), (6045, 66384), (6448, 62235), (6696, 59930), (6915, 58032), (7020, 57164), (7254, 55320), (7376, 54405), (7440, 53937), (8060, 49788), (8298, 48360), (8370, 47944), (9220, 43524), (9360, 42873), (9672, 41490), (10881, 36880), (11064, 36270), (11160, 35958), (11986, 33480), (12090, 33192), (12447, 32240), (13392, 29965), (13830, 29016), (14040, 28582), (14291, 28080), (14508, 27660), (16120, 24894), (16596, 24180), (16740, 23972), (17979, 22320), (18135, 22128), (18440, 21762), (19344, 20745)]