123265920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 256

約数和(自身を含む): 430848000

約数和(自身を除く): 307582080

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, 64, 76, 80, 93, 95, 96, 109, 114, 120, 124, 128, 152, 155, 160, 186, 190, 192, 218, 228, 240, 248, 285, 304, 310, 320, 327, 372, 380, 384, 436, 456, 465, 480, 496, 545, 570, 589, 608, 620, 640, 654, 744, 760, 872, 912, 930, 960, 992, 1090, 1140, 1178, 1216, 1240, 1308, 1488, 1520, 1635, 1744, 1767, 1824, 1860, 1920, 1984, 2071, 2180, 2280, 2356, 2432, 2480, 2616, 2945, 2976, 3040, 3270, 3379, 3488, 3534, 3648, 3720, 3968, 4142, 4360, 4560, 4712, 4960, 5232, 5890, 5952, 6080, 6213, 6540, 6758, 6976, 7068, 7296, 7440, 8284, 8720, 8835, 9120, 9424, 9920, 10137, 10355, 10464, 11780, 11904, 12160, 12426, 13080, 13516, 13952, 14136, 14880, 16568, 16895, 17440, 17670, 18240, 18848, 19840, 20274, 20710, 20928, 23560, 24852, 26160, 27032, 28272, 29760, 31065, 33136, 33790, 34880, 35340, 36480, 37696, 40548, 41420, 41856, 47120, 49704, 50685, 52320, 54064, 56544, 59520, 62130, 64201, 66272, 67580, 69760, 70680, 75392, 81096, 82840, 94240, 99408, 101370, 104640, 108128, 113088, 124260, 128402, 132544, 135160, 141360, 162192, 165680, 188480, 192603, 198816, 202740, 209280, 216256, 226176, 248520, 256804, 265088, 270320, 282720, 321005, 324384, 331360, 376960, 385206, 397632, 405480, 432512, 497040, 513608, 540640, 565440, 642010, 648768, 662720, 770412, 795264, 810960, 963015, 994080, 1027216, 1081280, 1130880, 1284020, 1297536, 1325440, 1540824, 1621920, 1926030, 1988160, 2054432, 2162560, 2568040, 3081648, 3243840, 3852060, 3976320, 4108864, 5136080, 6163296, 6487680, 7704120, 8217728, 10272160, 12326592, 15408240, 20544320, 24653184, 30816480, 41088640, 61632960, 123265920]

約数ペア:

[(1, 123265920), (2, 61632960), (3, 41088640), (4, 30816480), (5, 24653184), (6, 20544320), (8, 15408240), (10, 12326592), (12, 10272160), (15, 8217728), (16, 7704120), (19, 6487680), (20, 6163296), (24, 5136080), (30, 4108864), (31, 3976320), (32, 3852060), (38, 3243840), (40, 3081648), (48, 2568040), (57, 2162560), (60, 2054432), (62, 1988160), (64, 1926030), (76, 1621920), (80, 1540824), (93, 1325440), (95, 1297536), (96, 1284020), (109, 1130880), (114, 1081280), (120, 1027216), (124, 994080), (128, 963015), (152, 810960), (155, 795264), (160, 770412), (186, 662720), (190, 648768), (192, 642010), (218, 565440), (228, 540640), (240, 513608), (248, 497040), (285, 432512), (304, 405480), (310, 397632), (320, 385206), (327, 376960), (372, 331360), (380, 324384), (384, 321005), (436, 282720), (456, 270320), (465, 265088), (480, 256804), (496, 248520), (545, 226176), (570, 216256), (589, 209280), (608, 202740), (620, 198816), (640, 192603), (654, 188480), (744, 165680), (760, 162192), (872, 141360), (912, 135160), (930, 132544), (960, 128402), (992, 124260), (1090, 113088), (1140, 108128), (1178, 104640), (1216, 101370), (1240, 99408), (1308, 94240), (1488, 82840), (1520, 81096), (1635, 75392), (1744, 70680), (1767, 69760), (1824, 67580), (1860, 66272), (1920, 64201), (1984, 62130), (2071, 59520), (2180, 56544), (2280, 54064), (2356, 52320), (2432, 50685), (2480, 49704), (2616, 47120), (2945, 41856), (2976, 41420), (3040, 40548), (3270, 37696), (3379, 36480), (3488, 35340), (3534, 34880), (3648, 33790), (3720, 33136), (3968, 31065), (4142, 29760), (4360, 28272), (4560, 27032), (4712, 26160), (4960, 24852), (5232, 23560), (5890, 20928), (5952, 20710), (6080, 20274), (6213, 19840), (6540, 18848), (6758, 18240), (6976, 17670), (7068, 17440), (7296, 16895), (7440, 16568), (8284, 14880), (8720, 14136), (8835, 13952), (9120, 13516), (9424, 13080), (9920, 12426), (10137, 12160), (10355, 11904), (10464, 11780)]