261647280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4177}}^1$

素因数の和:4228

約数の個数: 160

約数和(自身を含む): 932529600

約数和(自身を除く): 670882320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 522, 540, 580, 696, 720, 783, 870, 1044, 1080, 1160, 1305, 1392, 1566, 1740, 2088, 2160, 2320, 2610, 3132, 3480, 3915, 4176, 4177, 5220, 6264, 6960, 7830, 8354, 10440, 12528, 12531, 15660, 16708, 20880, 20885, 25062, 31320, 33416, 37593, 41770, 50124, 62640, 62655, 66832, 75186, 83540, 100248, 112779, 121133, 125310, 150372, 167080, 187965, 200496, 225558, 242266, 250620, 300744, 334160, 363399, 375930, 451116, 484532, 501240, 563895, 601488, 605665, 726798, 751860, 902232, 969064, 1002480, 1090197, 1127790, 1211330, 1453596, 1503720, 1804464, 1816995, 1938128, 2180394, 2255580, 2422660, 2907192, 3007440, 3270591, 3633990, 4360788, 4511160, 4845320, 5450985, 5814384, 6541182, 7267980, 8721576, 9022320, 9690640, 10901970, 13082364, 14535960, 16352955, 17443152, 21803940, 26164728, 29071920, 32705910, 43607880, 52329456, 65411820, 87215760, 130823640, 261647280]

約数ペア:

[(1, 261647280), (2, 130823640), (3, 87215760), (4, 65411820), (5, 52329456), (6, 43607880), (8, 32705910), (9, 29071920), (10, 26164728), (12, 21803940), (15, 17443152), (16, 16352955), (18, 14535960), (20, 13082364), (24, 10901970), (27, 9690640), (29, 9022320), (30, 8721576), (36, 7267980), (40, 6541182), (45, 5814384), (48, 5450985), (54, 4845320), (58, 4511160), (60, 4360788), (72, 3633990), (80, 3270591), (87, 3007440), (90, 2907192), (108, 2422660), (116, 2255580), (120, 2180394), (135, 1938128), (144, 1816995), (145, 1804464), (174, 1503720), (180, 1453596), (216, 1211330), (232, 1127790), (240, 1090197), (261, 1002480), (270, 969064), (290, 902232), (348, 751860), (360, 726798), (432, 605665), (435, 601488), (464, 563895), (522, 501240), (540, 484532), (580, 451116), (696, 375930), (720, 363399), (783, 334160), (870, 300744), (1044, 250620), (1080, 242266), (1160, 225558), (1305, 200496), (1392, 187965), (1566, 167080), (1740, 150372), (2088, 125310), (2160, 121133), (2320, 112779), (2610, 100248), (3132, 83540), (3480, 75186), (3915, 66832), (4176, 62655), (4177, 62640), (5220, 50124), (6264, 41770), (6960, 37593), (7830, 33416), (8354, 31320), (10440, 25062), (12528, 20885), (12531, 20880), (15660, 16708)]