256427040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:975

約数の個数: 192

約数和(自身を含む): 878653440

約数和(自身を除く): 622226400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 96, 114, 120, 124, 152, 155, 160, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 480, 496, 570, 589, 608, 620, 744, 760, 907, 912, 930, 992, 1140, 1178, 1240, 1488, 1520, 1767, 1814, 1824, 1860, 2280, 2356, 2480, 2721, 2945, 2976, 3040, 3534, 3628, 3720, 4535, 4560, 4712, 4960, 5442, 5890, 7068, 7256, 7440, 8835, 9070, 9120, 9424, 10884, 11780, 13605, 14136, 14512, 14880, 17233, 17670, 18140, 18848, 21768, 23560, 27210, 28117, 28272, 29024, 34466, 35340, 36280, 43536, 47120, 51699, 54420, 56234, 56544, 68932, 70680, 72560, 84351, 86165, 87072, 94240, 103398, 108840, 112468, 137864, 140585, 141360, 145120, 168702, 172330, 206796, 217680, 224936, 258495, 275728, 281170, 282720, 337404, 344660, 413592, 421755, 435360, 449872, 516990, 534223, 551456, 562340, 674808, 689320, 827184, 843510, 899744, 1033980, 1068446, 1124680, 1349616, 1378640, 1602669, 1654368, 1687020, 2067960, 2136892, 2249360, 2671115, 2699232, 2757280, 3205338, 3374040, 4135920, 4273784, 4498720, 5342230, 6410676, 6748080, 8013345, 8271840, 8547568, 10684460, 12821352, 13496160, 16026690, 17095136, 21368920, 25642704, 32053380, 42737840, 51285408, 64106760, 85475680, 128213520, 256427040]

約数ペア:

[(1, 256427040), (2, 128213520), (3, 85475680), (4, 64106760), (5, 51285408), (6, 42737840), (8, 32053380), (10, 25642704), (12, 21368920), (15, 17095136), (16, 16026690), (19, 13496160), (20, 12821352), (24, 10684460), (30, 8547568), (31, 8271840), (32, 8013345), (38, 6748080), (40, 6410676), (48, 5342230), (57, 4498720), (60, 4273784), (62, 4135920), (76, 3374040), (80, 3205338), (93, 2757280), (95, 2699232), (96, 2671115), (114, 2249360), (120, 2136892), (124, 2067960), (152, 1687020), (155, 1654368), (160, 1602669), (186, 1378640), (190, 1349616), (228, 1124680), (240, 1068446), (248, 1033980), (285, 899744), (304, 843510), (310, 827184), (372, 689320), (380, 674808), (456, 562340), (465, 551456), (480, 534223), (496, 516990), (570, 449872), (589, 435360), (608, 421755), (620, 413592), (744, 344660), (760, 337404), (907, 282720), (912, 281170), (930, 275728), (992, 258495), (1140, 224936), (1178, 217680), (1240, 206796), (1488, 172330), (1520, 168702), (1767, 145120), (1814, 141360), (1824, 140585), (1860, 137864), (2280, 112468), (2356, 108840), (2480, 103398), (2721, 94240), (2945, 87072), (2976, 86165), (3040, 84351), (3534, 72560), (3628, 70680), (3720, 68932), (4535, 56544), (4560, 56234), (4712, 54420), (4960, 51699), (5442, 47120), (5890, 43536), (7068, 36280), (7256, 35340), (7440, 34466), (8835, 29024), (9070, 28272), (9120, 28117), (9424, 27210), (10884, 23560), (11780, 21768), (13605, 18848), (14136, 18140), (14512, 17670), (14880, 17233)]