128148800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 168

約数和(自身を含む): 348566232

約数和(自身を除く): 220417432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 61, 64, 65, 80, 100, 101, 104, 122, 130, 160, 200, 202, 208, 244, 260, 305, 320, 325, 400, 404, 416, 488, 505, 520, 610, 650, 793, 800, 808, 832, 976, 1010, 1040, 1220, 1300, 1313, 1525, 1586, 1600, 1616, 1952, 2020, 2080, 2440, 2525, 2600, 2626, 3050, 3172, 3232, 3904, 3965, 4040, 4160, 4880, 5050, 5200, 5252, 6100, 6161, 6344, 6464, 6565, 7930, 8080, 9760, 10100, 10400, 10504, 12200, 12322, 12688, 13130, 15860, 16160, 19520, 19825, 20200, 20800, 21008, 24400, 24644, 25376, 26260, 30805, 31720, 32320, 32825, 39650, 40400, 42016, 48800, 49288, 50752, 52520, 61610, 63440, 65650, 79300, 80093, 80800, 84032, 97600, 98576, 105040, 123220, 126880, 131300, 154025, 158600, 160186, 161600, 197152, 210080, 246440, 253760, 262600, 308050, 317200, 320372, 394304, 400465, 420160, 492880, 525200, 616100, 634400, 640744, 800930, 985760, 1050400, 1232200, 1268800, 1281488, 1601860, 1971520, 2002325, 2100800, 2464400, 2562976, 3203720, 4004650, 4928800, 5125952, 6407440, 8009300, 9857600, 12814880, 16018600, 25629760, 32037200, 64074400, 128148800]

約数ペア:

[(1, 128148800), (2, 64074400), (4, 32037200), (5, 25629760), (8, 16018600), (10, 12814880), (13, 9857600), (16, 8009300), (20, 6407440), (25, 5125952), (26, 4928800), (32, 4004650), (40, 3203720), (50, 2562976), (52, 2464400), (61, 2100800), (64, 2002325), (65, 1971520), (80, 1601860), (100, 1281488), (101, 1268800), (104, 1232200), (122, 1050400), (130, 985760), (160, 800930), (200, 640744), (202, 634400), (208, 616100), (244, 525200), (260, 492880), (305, 420160), (320, 400465), (325, 394304), (400, 320372), (404, 317200), (416, 308050), (488, 262600), (505, 253760), (520, 246440), (610, 210080), (650, 197152), (793, 161600), (800, 160186), (808, 158600), (832, 154025), (976, 131300), (1010, 126880), (1040, 123220), (1220, 105040), (1300, 98576), (1313, 97600), (1525, 84032), (1586, 80800), (1600, 80093), (1616, 79300), (1952, 65650), (2020, 63440), (2080, 61610), (2440, 52520), (2525, 50752), (2600, 49288), (2626, 48800), (3050, 42016), (3172, 40400), (3232, 39650), (3904, 32825), (3965, 32320), (4040, 31720), (4160, 30805), (4880, 26260), (5050, 25376), (5200, 24644), (5252, 24400), (6100, 21008), (6161, 20800), (6344, 20200), (6464, 19825), (6565, 19520), (7930, 16160), (8080, 15860), (9760, 13130), (10100, 12688), (10400, 12322), (10504, 12200)]