255180240

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{2411}}^1$

素因数の和:2447

約数の個数: 240

約数和(自身を含む): 1022880960

約数和(自身を除く): 767700720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2411, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4410, 4822, 5040, 5292, 5880, 6615, 7056, 7233, 7560, 8820, 9644, 10584, 11760, 12055, 13230, 14466, 15120, 16877, 17640, 19288, 21168, 21699, 24110, 26460, 28932, 33754, 35280, 36165, 38576, 43398, 48220, 50631, 52920, 57864, 65097, 67508, 72330, 84385, 86796, 96440, 101262, 105840, 108495, 115728, 118139, 130194, 135016, 144660, 151893, 168770, 173592, 192880, 202524, 216990, 236278, 253155, 260388, 270032, 289320, 303786, 325485, 337540, 347184, 354417, 405048, 433980, 455679, 472556, 506310, 520776, 578640, 590695, 607572, 650970, 675080, 708834, 759465, 810096, 867960, 911358, 945112, 1012620, 1041552, 1063251, 1181390, 1215144, 1301940, 1350160, 1417668, 1518930, 1735920, 1772085, 1822716, 1890224, 2025240, 2126502, 2278395, 2362780, 2430288, 2603880, 2835336, 3037860, 3189753, 3544170, 3645432, 4050480, 4253004, 4556790, 4725560, 5207760, 5316255, 5670672, 6075720, 6379506, 7088340, 7290864, 8506008, 9113580, 9451120, 10632510, 12151440, 12759012, 14176680, 15948765, 17012016, 18227160, 21265020, 25518024, 28353360, 31897530, 36454320, 42530040, 51036048, 63795060, 85060080, 127590120, 255180240]

約数ペア:

[(1, 255180240), (2, 127590120), (3, 85060080), (4, 63795060), (5, 51036048), (6, 42530040), (7, 36454320), (8, 31897530), (9, 28353360), (10, 25518024), (12, 21265020), (14, 18227160), (15, 17012016), (16, 15948765), (18, 14176680), (20, 12759012), (21, 12151440), (24, 10632510), (27, 9451120), (28, 9113580), (30, 8506008), (35, 7290864), (36, 7088340), (40, 6379506), (42, 6075720), (45, 5670672), (48, 5316255), (49, 5207760), (54, 4725560), (56, 4556790), (60, 4253004), (63, 4050480), (70, 3645432), (72, 3544170), (80, 3189753), (84, 3037860), (90, 2835336), (98, 2603880), (105, 2430288), (108, 2362780), (112, 2278395), (120, 2126502), (126, 2025240), (135, 1890224), (140, 1822716), (144, 1772085), (147, 1735920), (168, 1518930), (180, 1417668), (189, 1350160), (196, 1301940), (210, 1215144), (216, 1181390), (240, 1063251), (245, 1041552), (252, 1012620), (270, 945112), (280, 911358), (294, 867960), (315, 810096), (336, 759465), (360, 708834), (378, 675080), (392, 650970), (420, 607572), (432, 590695), (441, 578640), (490, 520776), (504, 506310), (540, 472556), (560, 455679), (588, 433980), (630, 405048), (720, 354417), (735, 347184), (756, 337540), (784, 325485), (840, 303786), (882, 289320), (945, 270032), (980, 260388), (1008, 253155), (1080, 236278), (1176, 216990), (1260, 202524), (1323, 192880), (1470, 173592), (1512, 168770), (1680, 151893), (1764, 144660), (1890, 135016), (1960, 130194), (2160, 118139), (2205, 115728), (2352, 108495), (2411, 105840), (2520, 101262), (2646, 96440), (2940, 86796), (3024, 84385), (3528, 72330), (3780, 67508), (3920, 65097), (4410, 57864), (4822, 52920), (5040, 50631), (5292, 48220), (5880, 43398), (6615, 38576), (7056, 36165), (7233, 35280), (7560, 33754), (8820, 28932), (9644, 26460), (10584, 24110), (11760, 21699), (12055, 21168), (13230, 19288), (14466, 17640), (15120, 16877)]