257800320

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{4973}}^1$

素因数の和:5004

約数の個数: 160

約数和(自身を含む): 920836620

約数和(自身を除く): 663036300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 4973, 5184, 5760, 6480, 8640, 9946, 10368, 12960, 14919, 17280, 19892, 24865, 25920, 29838, 39784, 44757, 49730, 51840, 59676, 74595, 79568, 89514, 99460, 119352, 134271, 149190, 159136, 179028, 198920, 223785, 238704, 268542, 298380, 318272, 358056, 397840, 402813, 447570, 477408, 537084, 596760, 636544, 671355, 716112, 795680, 805626, 895140, 954816, 1074168, 1193520, 1342710, 1432224, 1591360, 1611252, 1790280, 1909632, 2014065, 2148336, 2387040, 2685420, 2864448, 3182720, 3222504, 3580560, 4028130, 4296672, 4774080, 5370840, 5728896, 6445008, 7161120, 8056260, 8593344, 9548160, 10741680, 12890016, 14322240, 16112520, 17186688, 21483360, 25780032, 28644480, 32225040, 42966720, 51560064, 64450080, 85933440, 128900160, 257800320]

約数ペア:

[(1, 257800320), (2, 128900160), (3, 85933440), (4, 64450080), (5, 51560064), (6, 42966720), (8, 32225040), (9, 28644480), (10, 25780032), (12, 21483360), (15, 17186688), (16, 16112520), (18, 14322240), (20, 12890016), (24, 10741680), (27, 9548160), (30, 8593344), (32, 8056260), (36, 7161120), (40, 6445008), (45, 5728896), (48, 5370840), (54, 4774080), (60, 4296672), (64, 4028130), (72, 3580560), (80, 3222504), (81, 3182720), (90, 2864448), (96, 2685420), (108, 2387040), (120, 2148336), (128, 2014065), (135, 1909632), (144, 1790280), (160, 1611252), (162, 1591360), (180, 1432224), (192, 1342710), (216, 1193520), (240, 1074168), (270, 954816), (288, 895140), (320, 805626), (324, 795680), (360, 716112), (384, 671355), (405, 636544), (432, 596760), (480, 537084), (540, 477408), (576, 447570), (640, 402813), (648, 397840), (720, 358056), (810, 318272), (864, 298380), (960, 268542), (1080, 238704), (1152, 223785), (1296, 198920), (1440, 179028), (1620, 159136), (1728, 149190), (1920, 134271), (2160, 119352), (2592, 99460), (2880, 89514), (3240, 79568), (3456, 74595), (4320, 59676), (4973, 51840), (5184, 49730), (5760, 44757), (6480, 39784), (8640, 29838), (9946, 25920), (10368, 24865), (12960, 19892), (14919, 17280)]