311380440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:342

約数の個数: 256

約数和(自身を含む): 1134673920

約数和(自身を除く): 823293480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 71, 84, 92, 105, 115, 120, 138, 140, 142, 161, 168, 184, 210, 213, 227, 230, 276, 280, 284, 322, 345, 355, 420, 426, 454, 460, 483, 497, 552, 568, 644, 681, 690, 710, 805, 840, 852, 908, 920, 966, 994, 1065, 1135, 1288, 1362, 1380, 1420, 1491, 1589, 1610, 1633, 1704, 1816, 1932, 1988, 2130, 2270, 2415, 2485, 2724, 2760, 2840, 2982, 3178, 3220, 3266, 3405, 3864, 3976, 4260, 4540, 4767, 4830, 4899, 4970, 5221, 5448, 5964, 6356, 6440, 6532, 6810, 7455, 7945, 8165, 8520, 9080, 9534, 9660, 9798, 9940, 10442, 11431, 11928, 12712, 13064, 13620, 14910, 15663, 15890, 16117, 16330, 19068, 19320, 19596, 19880, 20884, 22862, 23835, 24495, 26105, 27240, 29820, 31326, 31780, 32234, 32660, 34293, 36547, 38136, 39192, 41768, 45724, 47670, 48351, 48990, 52210, 57155, 59640, 62652, 63560, 64468, 65320, 68586, 73094, 78315, 80585, 91448, 95340, 96702, 97980, 104420, 109641, 112819, 114310, 125304, 128936, 137172, 146188, 156630, 161170, 171465, 182735, 190680, 193404, 195960, 208840, 219282, 225638, 228620, 241755, 274344, 292376, 313260, 322340, 338457, 342930, 365470, 370691, 386808, 438564, 451276, 457240, 483510, 548205, 564095, 626520, 644680, 676914, 685860, 730940, 741382, 877128, 902552, 967020, 1096410, 1112073, 1128190, 1353828, 1371720, 1461880, 1482764, 1692285, 1853455, 1934040, 2192820, 2224146, 2256380, 2594837, 2707656, 2965528, 3384570, 3706910, 4385640, 4448292, 4512760, 5189674, 5560365, 6769140, 7413820, 7784511, 8896584, 10379348, 11120730, 12974185, 13538280, 14827640, 15569022, 20758696, 22241460, 25948370, 31138044, 38922555, 44482920, 51896740, 62276088, 77845110, 103793480, 155690220, 311380440]

約数ペア:

[(1, 311380440), (2, 155690220), (3, 103793480), (4, 77845110), (5, 62276088), (6, 51896740), (7, 44482920), (8, 38922555), (10, 31138044), (12, 25948370), (14, 22241460), (15, 20758696), (20, 15569022), (21, 14827640), (23, 13538280), (24, 12974185), (28, 11120730), (30, 10379348), (35, 8896584), (40, 7784511), (42, 7413820), (46, 6769140), (56, 5560365), (60, 5189674), (69, 4512760), (70, 4448292), (71, 4385640), (84, 3706910), (92, 3384570), (105, 2965528), (115, 2707656), (120, 2594837), (138, 2256380), (140, 2224146), (142, 2192820), (161, 1934040), (168, 1853455), (184, 1692285), (210, 1482764), (213, 1461880), (227, 1371720), (230, 1353828), (276, 1128190), (280, 1112073), (284, 1096410), (322, 967020), (345, 902552), (355, 877128), (420, 741382), (426, 730940), (454, 685860), (460, 676914), (483, 644680), (497, 626520), (552, 564095), (568, 548205), (644, 483510), (681, 457240), (690, 451276), (710, 438564), (805, 386808), (840, 370691), (852, 365470), (908, 342930), (920, 338457), (966, 322340), (994, 313260), (1065, 292376), (1135, 274344), (1288, 241755), (1362, 228620), (1380, 225638), (1420, 219282), (1491, 208840), (1589, 195960), (1610, 193404), (1633, 190680), (1704, 182735), (1816, 171465), (1932, 161170), (1988, 156630), (2130, 146188), (2270, 137172), (2415, 128936), (2485, 125304), (2724, 114310), (2760, 112819), (2840, 109641), (2982, 104420), (3178, 97980), (3220, 96702), (3266, 95340), (3405, 91448), (3864, 80585), (3976, 78315), (4260, 73094), (4540, 68586), (4767, 65320), (4830, 64468), (4899, 63560), (4970, 62652), (5221, 59640), (5448, 57155), (5964, 52210), (6356, 48990), (6440, 48351), (6532, 47670), (6810, 45724), (7455, 41768), (7945, 39192), (8165, 38136), (8520, 36547), (9080, 34293), (9534, 32660), (9660, 32234), (9798, 31780), (9940, 31326), (10442, 29820), (11431, 27240), (11928, 26105), (12712, 24495), (13064, 23835), (13620, 22862), (14910, 20884), (15663, 19880), (15890, 19596), (16117, 19320), (16330, 19068)]