260542160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 671742720

約数和(自身を除く): 411200560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 43, 46, 74, 80, 86, 89, 92, 115, 148, 172, 178, 184, 185, 215, 230, 296, 344, 356, 368, 370, 430, 445, 460, 592, 688, 712, 740, 851, 860, 890, 920, 989, 1424, 1480, 1591, 1702, 1720, 1780, 1840, 1978, 2047, 2960, 3182, 3293, 3404, 3440, 3560, 3827, 3956, 4094, 4255, 4945, 6364, 6586, 6808, 7120, 7654, 7912, 7955, 8188, 8510, 9890, 10235, 12728, 13172, 13616, 15308, 15824, 15910, 16376, 16465, 17020, 19135, 19780, 20470, 25456, 26344, 30616, 31820, 32752, 32930, 34040, 36593, 38270, 39560, 40940, 52688, 61232, 63640, 65860, 68080, 73186, 75739, 76540, 79120, 81880, 88021, 127280, 131720, 141599, 146372, 151478, 153080, 163760, 176042, 182965, 263440, 283198, 292744, 302956, 306160, 352084, 365930, 378695, 440105, 566396, 585488, 605912, 704168, 707995, 731860, 757390, 880210, 1132792, 1211824, 1408336, 1415990, 1463720, 1514780, 1760420, 2265584, 2831980, 2927440, 3029560, 3256777, 3520840, 5663960, 6059120, 6513554, 7041680, 11327920, 13027108, 16283885, 26054216, 32567770, 52108432, 65135540, 130271080, 260542160]

約数ペア:

[(1, 260542160), (2, 130271080), (4, 65135540), (5, 52108432), (8, 32567770), (10, 26054216), (16, 16283885), (20, 13027108), (23, 11327920), (37, 7041680), (40, 6513554), (43, 6059120), (46, 5663960), (74, 3520840), (80, 3256777), (86, 3029560), (89, 2927440), (92, 2831980), (115, 2265584), (148, 1760420), (172, 1514780), (178, 1463720), (184, 1415990), (185, 1408336), (215, 1211824), (230, 1132792), (296, 880210), (344, 757390), (356, 731860), (368, 707995), (370, 704168), (430, 605912), (445, 585488), (460, 566396), (592, 440105), (688, 378695), (712, 365930), (740, 352084), (851, 306160), (860, 302956), (890, 292744), (920, 283198), (989, 263440), (1424, 182965), (1480, 176042), (1591, 163760), (1702, 153080), (1720, 151478), (1780, 146372), (1840, 141599), (1978, 131720), (2047, 127280), (2960, 88021), (3182, 81880), (3293, 79120), (3404, 76540), (3440, 75739), (3560, 73186), (3827, 68080), (3956, 65860), (4094, 63640), (4255, 61232), (4945, 52688), (6364, 40940), (6586, 39560), (6808, 38270), (7120, 36593), (7654, 34040), (7912, 32930), (7955, 32752), (8188, 31820), (8510, 30616), (9890, 26344), (10235, 25456), (12728, 20470), (13172, 19780), (13616, 19135), (15308, 17020), (15824, 16465), (15910, 16376)]