255040740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 803170368

約数和(自身を除く): 548129628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 83, 86, 90, 129, 166, 172, 180, 215, 249, 258, 332, 387, 397, 415, 430, 498, 516, 645, 747, 774, 794, 830, 860, 996, 1191, 1245, 1290, 1494, 1548, 1588, 1660, 1935, 1985, 2382, 2490, 2580, 2988, 3569, 3573, 3735, 3870, 3970, 4764, 4980, 5955, 7138, 7146, 7470, 7740, 7940, 10707, 11910, 14276, 14292, 14940, 17071, 17845, 17865, 21414, 23820, 32121, 32951, 34142, 35690, 35730, 42828, 51213, 53535, 64242, 65902, 68284, 71380, 71460, 85355, 98853, 102426, 107070, 128484, 131804, 153639, 160605, 164755, 170710, 197706, 204852, 214140, 256065, 296559, 307278, 321210, 329510, 341420, 395412, 494265, 512130, 593118, 614556, 642420, 659020, 768195, 988530, 1024260, 1186236, 1416893, 1482795, 1536390, 1977060, 2833786, 2965590, 3072780, 4250679, 5667572, 5931180, 7084465, 8501358, 12752037, 14168930, 17002716, 21253395, 25504074, 28337860, 42506790, 51008148, 63760185, 85013580, 127520370, 255040740]

約数ペア:

[(1, 255040740), (2, 127520370), (3, 85013580), (4, 63760185), (5, 51008148), (6, 42506790), (9, 28337860), (10, 25504074), (12, 21253395), (15, 17002716), (18, 14168930), (20, 12752037), (30, 8501358), (36, 7084465), (43, 5931180), (45, 5667572), (60, 4250679), (83, 3072780), (86, 2965590), (90, 2833786), (129, 1977060), (166, 1536390), (172, 1482795), (180, 1416893), (215, 1186236), (249, 1024260), (258, 988530), (332, 768195), (387, 659020), (397, 642420), (415, 614556), (430, 593118), (498, 512130), (516, 494265), (645, 395412), (747, 341420), (774, 329510), (794, 321210), (830, 307278), (860, 296559), (996, 256065), (1191, 214140), (1245, 204852), (1290, 197706), (1494, 170710), (1548, 164755), (1588, 160605), (1660, 153639), (1935, 131804), (1985, 128484), (2382, 107070), (2490, 102426), (2580, 98853), (2988, 85355), (3569, 71460), (3573, 71380), (3735, 68284), (3870, 65902), (3970, 64242), (4764, 53535), (4980, 51213), (5955, 42828), (7138, 35730), (7146, 35690), (7470, 34142), (7740, 32951), (7940, 32121), (10707, 23820), (11910, 21414), (14276, 17865), (14292, 17845), (14940, 17071)]