71225280

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{3533}}^1$

素因数の和:3563

約数の個数: 168

約数和(自身を含む): 280062432

約数和(自身を除く): 208837152

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, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 3533, 4032, 5040, 6720, 7066, 10080, 10599, 14132, 17665, 20160, 21198, 24731, 28264, 31797, 35330, 42396, 49462, 52995, 56528, 63594, 70660, 74193, 84792, 98924, 105990, 113056, 123655, 127188, 141320, 148386, 158985, 169584, 197848, 211980, 222579, 226112, 247310, 254376, 282640, 296772, 317970, 339168, 370965, 395696, 423960, 445158, 494620, 508752, 565280, 593544, 635940, 678336, 741930, 791392, 847920, 890316, 989240, 1017504, 1112895, 1130560, 1187088, 1271880, 1483860, 1582784, 1695840, 1780632, 1978480, 2035008, 2225790, 2374176, 2543760, 2967720, 3391680, 3561264, 3956960, 4451580, 4748352, 5087520, 5935440, 7122528, 7913920, 8903160, 10175040, 11870880, 14245056, 17806320, 23741760, 35612640, 71225280]

約数ペア:

[(1, 71225280), (2, 35612640), (3, 23741760), (4, 17806320), (5, 14245056), (6, 11870880), (7, 10175040), (8, 8903160), (9, 7913920), (10, 7122528), (12, 5935440), (14, 5087520), (15, 4748352), (16, 4451580), (18, 3956960), (20, 3561264), (21, 3391680), (24, 2967720), (28, 2543760), (30, 2374176), (32, 2225790), (35, 2035008), (36, 1978480), (40, 1780632), (42, 1695840), (45, 1582784), (48, 1483860), (56, 1271880), (60, 1187088), (63, 1130560), (64, 1112895), (70, 1017504), (72, 989240), (80, 890316), (84, 847920), (90, 791392), (96, 741930), (105, 678336), (112, 635940), (120, 593544), (126, 565280), (140, 508752), (144, 494620), (160, 445158), (168, 423960), (180, 395696), (192, 370965), (210, 339168), (224, 317970), (240, 296772), (252, 282640), (280, 254376), (288, 247310), (315, 226112), (320, 222579), (336, 211980), (360, 197848), (420, 169584), (448, 158985), (480, 148386), (504, 141320), (560, 127188), (576, 123655), (630, 113056), (672, 105990), (720, 98924), (840, 84792), (960, 74193), (1008, 70660), (1120, 63594), (1260, 56528), (1344, 52995), (1440, 49462), (1680, 42396), (2016, 35330), (2240, 31797), (2520, 28264), (2880, 24731), (3360, 21198), (3533, 20160), (4032, 17665), (5040, 14132), (6720, 10599), (7066, 10080)]