255848640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 224

約数和(自身を含む): 877604544

約数和(自身を除く): 621755904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 61, 64, 68, 80, 85, 96, 102, 120, 122, 136, 160, 170, 183, 192, 204, 240, 244, 255, 257, 272, 305, 320, 340, 366, 408, 480, 488, 510, 514, 544, 610, 680, 732, 771, 816, 915, 960, 976, 1020, 1028, 1037, 1088, 1220, 1285, 1360, 1464, 1542, 1632, 1830, 1952, 2040, 2056, 2074, 2440, 2570, 2720, 2928, 3084, 3111, 3264, 3660, 3855, 3904, 4080, 4112, 4148, 4369, 4880, 5140, 5185, 5440, 5856, 6168, 6222, 7320, 7710, 8160, 8224, 8296, 8738, 9760, 10280, 10370, 11712, 12336, 12444, 13107, 14640, 15420, 15555, 15677, 16320, 16448, 16592, 17476, 19520, 20560, 20740, 21845, 24672, 24888, 26214, 29280, 30840, 31110, 31354, 33184, 34952, 41120, 41480, 43690, 47031, 49344, 49776, 52428, 58560, 61680, 62220, 62708, 65535, 66368, 69904, 78385, 82240, 82960, 87380, 94062, 99552, 104856, 123360, 124440, 125416, 131070, 139808, 156770, 165920, 174760, 188124, 199104, 209712, 235155, 246720, 248880, 250832, 262140, 266509, 279616, 313540, 331840, 349520, 376248, 419424, 470310, 497760, 501664, 524280, 533018, 627080, 699040, 752496, 799527, 838848, 940620, 995520, 1003328, 1048560, 1066036, 1254160, 1332545, 1398080, 1504992, 1599054, 1881240, 2097120, 2132072, 2508320, 2665090, 3009984, 3198108, 3762480, 3997635, 4194240, 4264144, 5016640, 5330180, 6396216, 7524960, 7995270, 8528288, 10660360, 12792432, 15049920, 15990540, 17056576, 21320720, 25584864, 31981080, 42641440, 51169728, 63962160, 85282880, 127924320, 255848640]

約数ペア:

[(1, 255848640), (2, 127924320), (3, 85282880), (4, 63962160), (5, 51169728), (6, 42641440), (8, 31981080), (10, 25584864), (12, 21320720), (15, 17056576), (16, 15990540), (17, 15049920), (20, 12792432), (24, 10660360), (30, 8528288), (32, 7995270), (34, 7524960), (40, 6396216), (48, 5330180), (51, 5016640), (60, 4264144), (61, 4194240), (64, 3997635), (68, 3762480), (80, 3198108), (85, 3009984), (96, 2665090), (102, 2508320), (120, 2132072), (122, 2097120), (136, 1881240), (160, 1599054), (170, 1504992), (183, 1398080), (192, 1332545), (204, 1254160), (240, 1066036), (244, 1048560), (255, 1003328), (257, 995520), (272, 940620), (305, 838848), (320, 799527), (340, 752496), (366, 699040), (408, 627080), (480, 533018), (488, 524280), (510, 501664), (514, 497760), (544, 470310), (610, 419424), (680, 376248), (732, 349520), (771, 331840), (816, 313540), (915, 279616), (960, 266509), (976, 262140), (1020, 250832), (1028, 248880), (1037, 246720), (1088, 235155), (1220, 209712), (1285, 199104), (1360, 188124), (1464, 174760), (1542, 165920), (1632, 156770), (1830, 139808), (1952, 131070), (2040, 125416), (2056, 124440), (2074, 123360), (2440, 104856), (2570, 99552), (2720, 94062), (2928, 87380), (3084, 82960), (3111, 82240), (3264, 78385), (3660, 69904), (3855, 66368), (3904, 65535), (4080, 62708), (4112, 62220), (4148, 61680), (4369, 58560), (4880, 52428), (5140, 49776), (5185, 49344), (5440, 47031), (5856, 43690), (6168, 41480), (6222, 41120), (7320, 34952), (7710, 33184), (8160, 31354), (8224, 31110), (8296, 30840), (8738, 29280), (9760, 26214), (10280, 24888), (10370, 24672), (11712, 21845), (12336, 20740), (12444, 20560), (13107, 19520), (14640, 17476), (15420, 16592), (15555, 16448), (15677, 16320)]