261511040

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:333

約数の個数: 192

約数和(自身を含む): 753494400

約数和(自身を除く): 491983360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 269, 280, 310, 320, 392, 434, 448, 490, 496, 538, 560, 620, 640, 784, 868, 896, 980, 992, 1076, 1085, 1120, 1240, 1345, 1519, 1568, 1736, 1883, 1960, 1984, 2152, 2170, 2240, 2480, 2690, 3038, 3136, 3472, 3766, 3920, 3968, 4304, 4340, 4480, 4960, 5380, 6076, 6272, 6944, 7532, 7595, 7840, 8339, 8608, 8680, 9415, 9920, 10760, 12152, 13181, 13888, 15064, 15190, 15680, 16678, 17216, 17360, 18830, 19840, 21520, 24304, 26362, 27776, 30128, 30380, 31360, 33356, 34432, 34720, 37660, 41695, 43040, 48608, 52724, 58373, 60256, 60760, 65905, 66712, 69440, 75320, 83390, 86080, 97216, 105448, 116746, 120512, 121520, 131810, 133424, 138880, 150640, 166780, 172160, 194432, 210896, 233492, 241024, 243040, 263620, 266848, 291865, 301280, 333560, 408611, 421792, 466984, 486080, 527240, 533696, 583730, 602560, 667120, 817222, 843584, 933968, 972160, 1054480, 1067392, 1167460, 1205120, 1334240, 1634444, 1687168, 1867936, 2043055, 2108960, 2334920, 2668480, 3268888, 3735872, 4086110, 4217920, 4669840, 5336960, 6537776, 7471744, 8172220, 8435840, 9339680, 13075552, 16344440, 18679360, 26151104, 32688880, 37358720, 52302208, 65377760, 130755520, 261511040]

約数ペア:

[(1, 261511040), (2, 130755520), (4, 65377760), (5, 52302208), (7, 37358720), (8, 32688880), (10, 26151104), (14, 18679360), (16, 16344440), (20, 13075552), (28, 9339680), (31, 8435840), (32, 8172220), (35, 7471744), (40, 6537776), (49, 5336960), (56, 4669840), (62, 4217920), (64, 4086110), (70, 3735872), (80, 3268888), (98, 2668480), (112, 2334920), (124, 2108960), (128, 2043055), (140, 1867936), (155, 1687168), (160, 1634444), (196, 1334240), (217, 1205120), (224, 1167460), (245, 1067392), (248, 1054480), (269, 972160), (280, 933968), (310, 843584), (320, 817222), (392, 667120), (434, 602560), (448, 583730), (490, 533696), (496, 527240), (538, 486080), (560, 466984), (620, 421792), (640, 408611), (784, 333560), (868, 301280), (896, 291865), (980, 266848), (992, 263620), (1076, 243040), (1085, 241024), (1120, 233492), (1240, 210896), (1345, 194432), (1519, 172160), (1568, 166780), (1736, 150640), (1883, 138880), (1960, 133424), (1984, 131810), (2152, 121520), (2170, 120512), (2240, 116746), (2480, 105448), (2690, 97216), (3038, 86080), (3136, 83390), (3472, 75320), (3766, 69440), (3920, 66712), (3968, 65905), (4304, 60760), (4340, 60256), (4480, 58373), (4960, 52724), (5380, 48608), (6076, 43040), (6272, 41695), (6944, 37660), (7532, 34720), (7595, 34432), (7840, 33356), (8339, 31360), (8608, 30380), (8680, 30128), (9415, 27776), (9920, 26362), (10760, 24304), (12152, 21520), (13181, 19840), (13888, 18830), (15064, 17360), (15190, 17216), (15680, 16678)]