71771280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:406

約数の個数: 240

約数和(自身を含む): 274803840

約数和(自身を除く): 203032560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 98, 102, 105, 112, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 240, 245, 255, 272, 280, 294, 336, 340, 357, 359, 392, 408, 420, 476, 490, 510, 560, 588, 595, 680, 714, 718, 735, 784, 816, 833, 840, 952, 980, 1020, 1077, 1176, 1190, 1360, 1428, 1436, 1470, 1666, 1680, 1785, 1795, 1904, 1960, 2040, 2154, 2352, 2380, 2499, 2513, 2856, 2872, 2940, 3332, 3570, 3590, 3920, 4080, 4165, 4308, 4760, 4998, 5026, 5385, 5712, 5744, 5880, 6103, 6664, 7140, 7180, 7539, 8330, 8616, 9520, 9996, 10052, 10770, 11760, 12206, 12495, 12565, 13328, 14280, 14360, 15078, 16660, 17232, 17591, 18309, 19992, 20104, 21540, 24412, 24990, 25130, 28560, 28720, 30156, 30515, 33320, 35182, 36618, 37695, 39984, 40208, 42721, 43080, 48824, 49980, 50260, 52773, 60312, 61030, 66640, 70364, 73236, 75390, 85442, 86160, 87955, 91545, 97648, 99960, 100520, 105546, 120624, 122060, 128163, 140728, 146472, 150780, 170884, 175910, 183090, 199920, 201040, 211092, 213605, 244120, 256326, 263865, 281456, 292944, 299047, 301560, 341768, 351820, 366180, 422184, 427210, 488240, 512652, 527730, 598094, 603120, 640815, 683536, 703640, 732360, 844368, 854420, 897141, 1025304, 1055460, 1196188, 1281630, 1407280, 1464720, 1495235, 1708840, 1794282, 2050608, 2110920, 2392376, 2563260, 2990470, 3417680, 3588564, 4221840, 4485705, 4784752, 5126520, 5980940, 7177128, 8971410, 10253040, 11961880, 14354256, 17942820, 23923760, 35885640, 71771280]

約数ペア:

[(1, 71771280), (2, 35885640), (3, 23923760), (4, 17942820), (5, 14354256), (6, 11961880), (7, 10253040), (8, 8971410), (10, 7177128), (12, 5980940), (14, 5126520), (15, 4784752), (16, 4485705), (17, 4221840), (20, 3588564), (21, 3417680), (24, 2990470), (28, 2563260), (30, 2392376), (34, 2110920), (35, 2050608), (40, 1794282), (42, 1708840), (48, 1495235), (49, 1464720), (51, 1407280), (56, 1281630), (60, 1196188), (68, 1055460), (70, 1025304), (80, 897141), (84, 854420), (85, 844368), (98, 732360), (102, 703640), (105, 683536), (112, 640815), (119, 603120), (120, 598094), (136, 527730), (140, 512652), (147, 488240), (168, 427210), (170, 422184), (196, 366180), (204, 351820), (210, 341768), (238, 301560), (240, 299047), (245, 292944), (255, 281456), (272, 263865), (280, 256326), (294, 244120), (336, 213605), (340, 211092), (357, 201040), (359, 199920), (392, 183090), (408, 175910), (420, 170884), (476, 150780), (490, 146472), (510, 140728), (560, 128163), (588, 122060), (595, 120624), (680, 105546), (714, 100520), (718, 99960), (735, 97648), (784, 91545), (816, 87955), (833, 86160), (840, 85442), (952, 75390), (980, 73236), (1020, 70364), (1077, 66640), (1176, 61030), (1190, 60312), (1360, 52773), (1428, 50260), (1436, 49980), (1470, 48824), (1666, 43080), (1680, 42721), (1785, 40208), (1795, 39984), (1904, 37695), (1960, 36618), (2040, 35182), (2154, 33320), (2352, 30515), (2380, 30156), (2499, 28720), (2513, 28560), (2856, 25130), (2872, 24990), (2940, 24412), (3332, 21540), (3570, 20104), (3590, 19992), (3920, 18309), (4080, 17591), (4165, 17232), (4308, 16660), (4760, 15078), (4998, 14360), (5026, 14280), (5385, 13328), (5712, 12565), (5744, 12495), (5880, 12206), (6103, 11760), (6664, 10770), (7140, 10052), (7180, 9996), (7539, 9520), (8330, 8616)]