488649280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 168

約数和(自身を含む): 1380158784

約数和(自身を除く): 891509504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 227, 248, 280, 310, 320, 434, 448, 454, 496, 560, 620, 868, 908, 961, 992, 1085, 1120, 1135, 1240, 1589, 1736, 1816, 1922, 1984, 2170, 2240, 2270, 2480, 3178, 3472, 3632, 3844, 4340, 4540, 4805, 4960, 6356, 6727, 6944, 7037, 7264, 7688, 7945, 8680, 9080, 9610, 9920, 12712, 13454, 13888, 14074, 14528, 15376, 15890, 17360, 18160, 19220, 25424, 26908, 28148, 30752, 31780, 33635, 34720, 35185, 36320, 38440, 49259, 50848, 53816, 56296, 61504, 63560, 67270, 69440, 70370, 72640, 76880, 98518, 101696, 107632, 112592, 127120, 134540, 140740, 153760, 197036, 215264, 218147, 225184, 246295, 254240, 269080, 281480, 307520, 394072, 430528, 436294, 450368, 492590, 508480, 538160, 562960, 788144, 872588, 985180, 1076320, 1090735, 1125920, 1527029, 1576288, 1745176, 1970360, 2152640, 2181470, 2251840, 3054058, 3152576, 3490352, 3940720, 4362940, 6108116, 6980704, 7635145, 7881440, 8725880, 12216232, 13961408, 15270290, 15762880, 17451760, 24432464, 30540580, 34903520, 48864928, 61081160, 69807040, 97729856, 122162320, 244324640, 488649280]

約数ペア:

[(1, 488649280), (2, 244324640), (4, 122162320), (5, 97729856), (7, 69807040), (8, 61081160), (10, 48864928), (14, 34903520), (16, 30540580), (20, 24432464), (28, 17451760), (31, 15762880), (32, 15270290), (35, 13961408), (40, 12216232), (56, 8725880), (62, 7881440), (64, 7635145), (70, 6980704), (80, 6108116), (112, 4362940), (124, 3940720), (140, 3490352), (155, 3152576), (160, 3054058), (217, 2251840), (224, 2181470), (227, 2152640), (248, 1970360), (280, 1745176), (310, 1576288), (320, 1527029), (434, 1125920), (448, 1090735), (454, 1076320), (496, 985180), (560, 872588), (620, 788144), (868, 562960), (908, 538160), (961, 508480), (992, 492590), (1085, 450368), (1120, 436294), (1135, 430528), (1240, 394072), (1589, 307520), (1736, 281480), (1816, 269080), (1922, 254240), (1984, 246295), (2170, 225184), (2240, 218147), (2270, 215264), (2480, 197036), (3178, 153760), (3472, 140740), (3632, 134540), (3844, 127120), (4340, 112592), (4540, 107632), (4805, 101696), (4960, 98518), (6356, 76880), (6727, 72640), (6944, 70370), (7037, 69440), (7264, 67270), (7688, 63560), (7945, 61504), (8680, 56296), (9080, 53816), (9610, 50848), (9920, 49259), (12712, 38440), (13454, 36320), (13888, 35185), (14074, 34720), (14528, 33635), (15376, 31780), (15890, 30752), (17360, 28148), (18160, 26908), (19220, 25424)]