256851120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 320

約数和(自身を含む): 914227200

約数和(自身を除く): 657376080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 31, 38, 40, 46, 48, 57, 60, 62, 69, 76, 79, 80, 92, 93, 95, 114, 115, 120, 124, 138, 152, 155, 158, 184, 186, 190, 228, 230, 237, 240, 248, 276, 285, 304, 310, 316, 345, 368, 372, 380, 395, 437, 456, 460, 465, 474, 496, 552, 570, 589, 620, 632, 690, 713, 744, 760, 790, 874, 912, 920, 930, 948, 1104, 1140, 1178, 1185, 1240, 1264, 1311, 1380, 1426, 1488, 1501, 1520, 1580, 1748, 1767, 1817, 1840, 1860, 1896, 2139, 2185, 2280, 2356, 2370, 2449, 2480, 2622, 2760, 2852, 2945, 3002, 3160, 3496, 3534, 3565, 3634, 3720, 3792, 4278, 4370, 4503, 4560, 4712, 4740, 4898, 5244, 5451, 5520, 5704, 5890, 6004, 6320, 6555, 6992, 7068, 7130, 7268, 7347, 7440, 7505, 8556, 8740, 8835, 9006, 9085, 9424, 9480, 9796, 10488, 10695, 10902, 11408, 11780, 12008, 12245, 13110, 13547, 14136, 14260, 14536, 14694, 15010, 17112, 17480, 17670, 18012, 18170, 18960, 19592, 20976, 21390, 21804, 22515, 23560, 24016, 24490, 26220, 27094, 27255, 28272, 28520, 29072, 29388, 30020, 34224, 34523, 34960, 35340, 36024, 36340, 36735, 39184, 40641, 42780, 43608, 45030, 46531, 47120, 48980, 52440, 54188, 54510, 56327, 57040, 58776, 60040, 67735, 69046, 70680, 72048, 72680, 73470, 81282, 85560, 87216, 90060, 93062, 97960, 103569, 104880, 108376, 109020, 112654, 117552, 120080, 135470, 138092, 139593, 141360, 145360, 146940, 162564, 168981, 171120, 172615, 180120, 186124, 195920, 203205, 207138, 216752, 218040, 225308, 232655, 270940, 276184, 279186, 281635, 293880, 325128, 337962, 345230, 360240, 372248, 406410, 414276, 436080, 450616, 465310, 517845, 541880, 552368, 558372, 563270, 587760, 650256, 675924, 690460, 697965, 744496, 812820, 828552, 844905, 901232, 930620, 1035690, 1070213, 1083760, 1116744, 1126540, 1351848, 1380920, 1395930, 1625640, 1657104, 1689810, 1861240, 2071380, 2140426, 2233488, 2253080, 2703696, 2761840, 2791860, 3210639, 3251280, 3379620, 3722480, 4142760, 4280852, 4506160, 5351065, 5583720, 6421278, 6759240, 8285520, 8561704, 10702130, 11167440, 12842556, 13518480, 16053195, 17123408, 21404260, 25685112, 32106390, 42808520, 51370224, 64212780, 85617040, 128425560, 256851120]

約数ペア:

[(1, 256851120), (2, 128425560), (3, 85617040), (4, 64212780), (5, 51370224), (6, 42808520), (8, 32106390), (10, 25685112), (12, 21404260), (15, 17123408), (16, 16053195), (19, 13518480), (20, 12842556), (23, 11167440), (24, 10702130), (30, 8561704), (31, 8285520), (38, 6759240), (40, 6421278), (46, 5583720), (48, 5351065), (57, 4506160), (60, 4280852), (62, 4142760), (69, 3722480), (76, 3379620), (79, 3251280), (80, 3210639), (92, 2791860), (93, 2761840), (95, 2703696), (114, 2253080), (115, 2233488), (120, 2140426), (124, 2071380), (138, 1861240), (152, 1689810), (155, 1657104), (158, 1625640), (184, 1395930), (186, 1380920), (190, 1351848), (228, 1126540), (230, 1116744), (237, 1083760), (240, 1070213), (248, 1035690), (276, 930620), (285, 901232), (304, 844905), (310, 828552), (316, 812820), (345, 744496), (368, 697965), (372, 690460), (380, 675924), (395, 650256), (437, 587760), (456, 563270), (460, 558372), (465, 552368), (474, 541880), (496, 517845), (552, 465310), (570, 450616), (589, 436080), (620, 414276), (632, 406410), (690, 372248), (713, 360240), (744, 345230), (760, 337962), (790, 325128), (874, 293880), (912, 281635), (920, 279186), (930, 276184), (948, 270940), (1104, 232655), (1140, 225308), (1178, 218040), (1185, 216752), (1240, 207138), (1264, 203205), (1311, 195920), (1380, 186124), (1426, 180120), (1488, 172615), (1501, 171120), (1520, 168981), (1580, 162564), (1748, 146940), (1767, 145360), (1817, 141360), (1840, 139593), (1860, 138092), (1896, 135470), (2139, 120080), (2185, 117552), (2280, 112654), (2356, 109020), (2370, 108376), (2449, 104880), (2480, 103569), (2622, 97960), (2760, 93062), (2852, 90060), (2945, 87216), (3002, 85560), (3160, 81282), (3496, 73470), (3534, 72680), (3565, 72048), (3634, 70680), (3720, 69046), (3792, 67735), (4278, 60040), (4370, 58776), (4503, 57040), (4560, 56327), (4712, 54510), (4740, 54188), (4898, 52440), (5244, 48980), (5451, 47120), (5520, 46531), (5704, 45030), (5890, 43608), (6004, 42780), (6320, 40641), (6555, 39184), (6992, 36735), (7068, 36340), (7130, 36024), (7268, 35340), (7347, 34960), (7440, 34523), (7505, 34224), (8556, 30020), (8740, 29388), (8835, 29072), (9006, 28520), (9085, 28272), (9424, 27255), (9480, 27094), (9796, 26220), (10488, 24490), (10695, 24016), (10902, 23560), (11408, 22515), (11780, 21804), (12008, 21390), (12245, 20976), (13110, 19592), (13547, 18960), (14136, 18170), (14260, 18012), (14536, 17670), (14694, 17480), (15010, 17112)]