87481320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 256

約数和(自身を含む): 305337600

約数和(自身を除く): 217856280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 37, 38, 40, 51, 57, 60, 61, 68, 74, 76, 85, 95, 102, 111, 114, 120, 122, 136, 148, 152, 170, 183, 185, 190, 204, 222, 228, 244, 255, 285, 296, 305, 323, 340, 366, 370, 380, 408, 444, 456, 488, 510, 555, 570, 610, 629, 646, 680, 703, 732, 740, 760, 888, 915, 969, 1020, 1037, 1110, 1140, 1159, 1220, 1258, 1292, 1406, 1464, 1480, 1615, 1830, 1887, 1938, 2040, 2074, 2109, 2220, 2257, 2280, 2318, 2440, 2516, 2584, 2812, 3111, 3145, 3230, 3477, 3515, 3660, 3774, 3876, 4148, 4218, 4440, 4514, 4636, 4845, 5032, 5185, 5624, 5795, 6222, 6290, 6460, 6771, 6954, 7030, 7320, 7548, 7752, 8296, 8436, 9028, 9272, 9435, 9690, 10370, 10545, 11285, 11590, 11951, 12444, 12580, 12920, 13542, 13908, 14060, 15096, 15555, 16872, 17385, 18056, 18870, 19380, 19703, 20740, 21090, 22570, 23180, 23902, 24888, 25160, 27084, 27816, 28120, 31110, 33855, 34770, 35853, 37740, 38369, 38760, 39406, 41480, 42180, 42883, 45140, 46360, 47804, 54168, 59109, 59755, 62220, 67710, 69540, 71706, 75480, 76738, 78812, 84360, 85766, 90280, 95608, 98515, 115107, 118218, 119510, 124440, 128649, 135420, 139080, 143412, 153476, 157624, 171532, 179265, 191845, 197030, 214415, 230214, 236436, 239020, 257298, 270840, 286824, 295545, 306952, 343064, 358530, 383690, 394060, 428830, 460428, 472872, 478040, 514596, 575535, 591090, 643245, 717060, 729011, 767380, 788120, 857660, 920856, 1029192, 1151070, 1182180, 1286490, 1434120, 1458022, 1534760, 1715320, 2187033, 2302140, 2364360, 2572980, 2916044, 3645055, 4374066, 4604280, 5145960, 5832088, 7290110, 8748132, 10935165, 14580220, 17496264, 21870330, 29160440, 43740660, 87481320]

約数ペア:

[(1, 87481320), (2, 43740660), (3, 29160440), (4, 21870330), (5, 17496264), (6, 14580220), (8, 10935165), (10, 8748132), (12, 7290110), (15, 5832088), (17, 5145960), (19, 4604280), (20, 4374066), (24, 3645055), (30, 2916044), (34, 2572980), (37, 2364360), (38, 2302140), (40, 2187033), (51, 1715320), (57, 1534760), (60, 1458022), (61, 1434120), (68, 1286490), (74, 1182180), (76, 1151070), (85, 1029192), (95, 920856), (102, 857660), (111, 788120), (114, 767380), (120, 729011), (122, 717060), (136, 643245), (148, 591090), (152, 575535), (170, 514596), (183, 478040), (185, 472872), (190, 460428), (204, 428830), (222, 394060), (228, 383690), (244, 358530), (255, 343064), (285, 306952), (296, 295545), (305, 286824), (323, 270840), (340, 257298), (366, 239020), (370, 236436), (380, 230214), (408, 214415), (444, 197030), (456, 191845), (488, 179265), (510, 171532), (555, 157624), (570, 153476), (610, 143412), (629, 139080), (646, 135420), (680, 128649), (703, 124440), (732, 119510), (740, 118218), (760, 115107), (888, 98515), (915, 95608), (969, 90280), (1020, 85766), (1037, 84360), (1110, 78812), (1140, 76738), (1159, 75480), (1220, 71706), (1258, 69540), (1292, 67710), (1406, 62220), (1464, 59755), (1480, 59109), (1615, 54168), (1830, 47804), (1887, 46360), (1938, 45140), (2040, 42883), (2074, 42180), (2109, 41480), (2220, 39406), (2257, 38760), (2280, 38369), (2318, 37740), (2440, 35853), (2516, 34770), (2584, 33855), (2812, 31110), (3111, 28120), (3145, 27816), (3230, 27084), (3477, 25160), (3515, 24888), (3660, 23902), (3774, 23180), (3876, 22570), (4148, 21090), (4218, 20740), (4440, 19703), (4514, 19380), (4636, 18870), (4845, 18056), (5032, 17385), (5185, 16872), (5624, 15555), (5795, 15096), (6222, 14060), (6290, 13908), (6460, 13542), (6771, 12920), (6954, 12580), (7030, 12444), (7320, 11951), (7548, 11590), (7752, 11285), (8296, 10545), (8436, 10370), (9028, 9690), (9272, 9435)]