64904700

素因数分解:

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

素因数の和:1052

約数の個数: 144

約数和(自身を含む): 221763584

約数和(自身を除く): 156858884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 140, 150, 155, 175, 186, 210, 217, 300, 310, 350, 372, 420, 434, 465, 525, 620, 651, 700, 775, 868, 930, 997, 1050, 1085, 1302, 1550, 1860, 1994, 2100, 2170, 2325, 2604, 2991, 3100, 3255, 3988, 4340, 4650, 4985, 5425, 5982, 6510, 6979, 9300, 9970, 10850, 11964, 13020, 13958, 14955, 16275, 19940, 20937, 21700, 24925, 27916, 29910, 30907, 32550, 34895, 41874, 49850, 59820, 61814, 65100, 69790, 74775, 83748, 92721, 99700, 104685, 123628, 139580, 149550, 154535, 174475, 185442, 209370, 216349, 299100, 309070, 348950, 370884, 418740, 432698, 463605, 523425, 618140, 649047, 697900, 772675, 865396, 927210, 1046850, 1081745, 1298094, 1545350, 1854420, 2093700, 2163490, 2318025, 2596188, 3090700, 3245235, 4326980, 4636050, 5408725, 6490470, 9272100, 10817450, 12980940, 16226175, 21634900, 32452350, 64904700]

約数ペア:

[(1, 64904700), (2, 32452350), (3, 21634900), (4, 16226175), (5, 12980940), (6, 10817450), (7, 9272100), (10, 6490470), (12, 5408725), (14, 4636050), (15, 4326980), (20, 3245235), (21, 3090700), (25, 2596188), (28, 2318025), (30, 2163490), (31, 2093700), (35, 1854420), (42, 1545350), (50, 1298094), (60, 1081745), (62, 1046850), (70, 927210), (75, 865396), (84, 772675), (93, 697900), (100, 649047), (105, 618140), (124, 523425), (140, 463605), (150, 432698), (155, 418740), (175, 370884), (186, 348950), (210, 309070), (217, 299100), (300, 216349), (310, 209370), (350, 185442), (372, 174475), (420, 154535), (434, 149550), (465, 139580), (525, 123628), (620, 104685), (651, 99700), (700, 92721), (775, 83748), (868, 74775), (930, 69790), (997, 65100), (1050, 61814), (1085, 59820), (1302, 49850), (1550, 41874), (1860, 34895), (1994, 32550), (2100, 30907), (2170, 29910), (2325, 27916), (2604, 24925), (2991, 21700), (3100, 20937), (3255, 19940), (3988, 16275), (4340, 14955), (4650, 13958), (4985, 13020), (5425, 11964), (5982, 10850), (6510, 9970), (6979, 9300)]