64844640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{919}}^1$

素因数の和:954

約数の個数: 216

約数和(自身を含む): 257690160

約数和(自身を除く): 192845520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 919, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1838, 1960, 2016, 2205, 2352, 2520, 2757, 2940, 3360, 3528, 3676, 3920, 4410, 4595, 4704, 5040, 5514, 5880, 6433, 7056, 7352, 7840, 8271, 8820, 9190, 10080, 11028, 11760, 12866, 13785, 14112, 14704, 16542, 17640, 18380, 19299, 22056, 23520, 25732, 27570, 29408, 32165, 33084, 35280, 36760, 38598, 41355, 44112, 45031, 51464, 55140, 57897, 64330, 66168, 70560, 73520, 77196, 82710, 88224, 90062, 96495, 102928, 110280, 115794, 128660, 132336, 135093, 147040, 154392, 165420, 180124, 192990, 205856, 220560, 225155, 231588, 257320, 264672, 270186, 289485, 308784, 330840, 360248, 385980, 405279, 441120, 450310, 463176, 514640, 540372, 578970, 617568, 661680, 675465, 720496, 771960, 810558, 900620, 926352, 1029280, 1080744, 1157940, 1323360, 1350930, 1440992, 1543920, 1621116, 1801240, 1852704, 2026395, 2161488, 2315880, 2701860, 3087840, 3242232, 3602480, 4052790, 4322976, 4631760, 5403720, 6484464, 7204960, 8105580, 9263520, 10807440, 12968928, 16211160, 21614880, 32422320, 64844640]

約数ペア:

[(1, 64844640), (2, 32422320), (3, 21614880), (4, 16211160), (5, 12968928), (6, 10807440), (7, 9263520), (8, 8105580), (9, 7204960), (10, 6484464), (12, 5403720), (14, 4631760), (15, 4322976), (16, 4052790), (18, 3602480), (20, 3242232), (21, 3087840), (24, 2701860), (28, 2315880), (30, 2161488), (32, 2026395), (35, 1852704), (36, 1801240), (40, 1621116), (42, 1543920), (45, 1440992), (48, 1350930), (49, 1323360), (56, 1157940), (60, 1080744), (63, 1029280), (70, 926352), (72, 900620), (80, 810558), (84, 771960), (90, 720496), (96, 675465), (98, 661680), (105, 617568), (112, 578970), (120, 540372), (126, 514640), (140, 463176), (144, 450310), (147, 441120), (160, 405279), (168, 385980), (180, 360248), (196, 330840), (210, 308784), (224, 289485), (240, 270186), (245, 264672), (252, 257320), (280, 231588), (288, 225155), (294, 220560), (315, 205856), (336, 192990), (360, 180124), (392, 165420), (420, 154392), (441, 147040), (480, 135093), (490, 132336), (504, 128660), (560, 115794), (588, 110280), (630, 102928), (672, 96495), (720, 90062), (735, 88224), (784, 82710), (840, 77196), (882, 73520), (919, 70560), (980, 66168), (1008, 64330), (1120, 57897), (1176, 55140), (1260, 51464), (1440, 45031), (1470, 44112), (1568, 41355), (1680, 38598), (1764, 36760), (1838, 35280), (1960, 33084), (2016, 32165), (2205, 29408), (2352, 27570), (2520, 25732), (2757, 23520), (2940, 22056), (3360, 19299), (3528, 18380), (3676, 17640), (3920, 16542), (4410, 14704), (4595, 14112), (4704, 13785), (5040, 12866), (5514, 11760), (5880, 11028), (6433, 10080), (7056, 9190), (7352, 8820), (7840, 8271)]