77885640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1052

約数の個数: 192

約数和(自身を含む): 298920960

約数和(自身を除く): 221035320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 997, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 1994, 2170, 2232, 2520, 2604, 2790, 2991, 3255, 3720, 3906, 3988, 4340, 4985, 5208, 5580, 5982, 6510, 6979, 7812, 7976, 8680, 8973, 9765, 9970, 11160, 11964, 13020, 13958, 14955, 15624, 17946, 19530, 19940, 20937, 23928, 26040, 27916, 29910, 30907, 34895, 35892, 39060, 39880, 41874, 44865, 55832, 59820, 61814, 62811, 69790, 71784, 78120, 83748, 89730, 92721, 104685, 119640, 123628, 125622, 139580, 154535, 167496, 179460, 185442, 209370, 216349, 247256, 251244, 278163, 279160, 309070, 314055, 358920, 370884, 418740, 432698, 463605, 502488, 556326, 618140, 628110, 649047, 741768, 837480, 865396, 927210, 1081745, 1112652, 1236280, 1256220, 1298094, 1390815, 1730792, 1854420, 1947141, 2163490, 2225304, 2512440, 2596188, 2781630, 3245235, 3708840, 3894282, 4326980, 5192376, 5563260, 6490470, 7788564, 8653960, 9735705, 11126520, 12980940, 15577128, 19471410, 25961880, 38942820, 77885640]

約数ペア:

[(1, 77885640), (2, 38942820), (3, 25961880), (4, 19471410), (5, 15577128), (6, 12980940), (7, 11126520), (8, 9735705), (9, 8653960), (10, 7788564), (12, 6490470), (14, 5563260), (15, 5192376), (18, 4326980), (20, 3894282), (21, 3708840), (24, 3245235), (28, 2781630), (30, 2596188), (31, 2512440), (35, 2225304), (36, 2163490), (40, 1947141), (42, 1854420), (45, 1730792), (56, 1390815), (60, 1298094), (62, 1256220), (63, 1236280), (70, 1112652), (72, 1081745), (84, 927210), (90, 865396), (93, 837480), (105, 741768), (120, 649047), (124, 628110), (126, 618140), (140, 556326), (155, 502488), (168, 463605), (180, 432698), (186, 418740), (210, 370884), (217, 358920), (248, 314055), (252, 309070), (279, 279160), (280, 278163), (310, 251244), (315, 247256), (360, 216349), (372, 209370), (420, 185442), (434, 179460), (465, 167496), (504, 154535), (558, 139580), (620, 125622), (630, 123628), (651, 119640), (744, 104685), (840, 92721), (868, 89730), (930, 83748), (997, 78120), (1085, 71784), (1116, 69790), (1240, 62811), (1260, 61814), (1302, 59820), (1395, 55832), (1736, 44865), (1860, 41874), (1953, 39880), (1994, 39060), (2170, 35892), (2232, 34895), (2520, 30907), (2604, 29910), (2790, 27916), (2991, 26040), (3255, 23928), (3720, 20937), (3906, 19940), (3988, 19530), (4340, 17946), (4985, 15624), (5208, 14955), (5580, 13958), (5982, 13020), (6510, 11964), (6979, 11160), (7812, 9970), (7976, 9765), (8680, 8973)]