65405040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 214272000

約数和(自身を除く): 148866960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 59, 60, 62, 80, 93, 118, 120, 124, 149, 155, 177, 186, 236, 240, 248, 295, 298, 310, 354, 372, 447, 465, 472, 496, 590, 596, 620, 708, 744, 745, 885, 894, 930, 944, 1180, 1192, 1240, 1416, 1488, 1490, 1770, 1788, 1829, 1860, 2235, 2360, 2384, 2480, 2832, 2980, 3540, 3576, 3658, 3720, 4470, 4619, 4720, 5487, 5960, 7080, 7152, 7316, 7440, 8791, 8940, 9145, 9238, 10974, 11920, 13857, 14160, 14632, 17582, 17880, 18290, 18476, 21948, 23095, 26373, 27435, 27714, 29264, 35164, 35760, 36580, 36952, 43896, 43955, 46190, 52746, 54870, 55428, 69285, 70328, 73160, 73904, 87792, 87910, 92380, 105492, 109740, 110856, 131865, 138570, 140656, 146320, 175820, 184760, 210984, 219480, 221712, 263730, 272521, 277140, 351640, 369520, 421968, 438960, 527460, 545042, 554280, 703280, 817563, 1054920, 1090084, 1108560, 1362605, 1635126, 2109840, 2180168, 2725210, 3270252, 4087815, 4360336, 5450420, 6540504, 8175630, 10900840, 13081008, 16351260, 21801680, 32702520, 65405040]

約数ペア:

[(1, 65405040), (2, 32702520), (3, 21801680), (4, 16351260), (5, 13081008), (6, 10900840), (8, 8175630), (10, 6540504), (12, 5450420), (15, 4360336), (16, 4087815), (20, 3270252), (24, 2725210), (30, 2180168), (31, 2109840), (40, 1635126), (48, 1362605), (59, 1108560), (60, 1090084), (62, 1054920), (80, 817563), (93, 703280), (118, 554280), (120, 545042), (124, 527460), (149, 438960), (155, 421968), (177, 369520), (186, 351640), (236, 277140), (240, 272521), (248, 263730), (295, 221712), (298, 219480), (310, 210984), (354, 184760), (372, 175820), (447, 146320), (465, 140656), (472, 138570), (496, 131865), (590, 110856), (596, 109740), (620, 105492), (708, 92380), (744, 87910), (745, 87792), (885, 73904), (894, 73160), (930, 70328), (944, 69285), (1180, 55428), (1192, 54870), (1240, 52746), (1416, 46190), (1488, 43955), (1490, 43896), (1770, 36952), (1788, 36580), (1829, 35760), (1860, 35164), (2235, 29264), (2360, 27714), (2384, 27435), (2480, 26373), (2832, 23095), (2980, 21948), (3540, 18476), (3576, 18290), (3658, 17880), (3720, 17582), (4470, 14632), (4619, 14160), (4720, 13857), (5487, 11920), (5960, 10974), (7080, 9238), (7152, 9145), (7316, 8940), (7440, 8791)]