428258040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:622

約数の個数: 192

約数和(自身を含む): 1506742560

約数和(自身を除く): 1078484520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 173, 196, 210, 245, 280, 294, 346, 392, 420, 421, 490, 519, 588, 692, 735, 840, 842, 865, 980, 1038, 1176, 1211, 1263, 1384, 1470, 1684, 1730, 1960, 2076, 2105, 2422, 2526, 2595, 2940, 2947, 3368, 3460, 3633, 4152, 4210, 4844, 5052, 5190, 5880, 5894, 6055, 6315, 6920, 7266, 8420, 8477, 8841, 9688, 10104, 10380, 11788, 12110, 12630, 14532, 14735, 16840, 16954, 17682, 18165, 20629, 20760, 23576, 24220, 25260, 25431, 29064, 29470, 33908, 35364, 36330, 41258, 42385, 44205, 48440, 50520, 50862, 58940, 61887, 67816, 70728, 72660, 72833, 82516, 84770, 88410, 101724, 103145, 117880, 123774, 127155, 145320, 145666, 165032, 169540, 176820, 203448, 206290, 218499, 247548, 254310, 291332, 309435, 339080, 353640, 364165, 412580, 436998, 495096, 508620, 509831, 582664, 618870, 728330, 825160, 873996, 1017240, 1019662, 1092495, 1237740, 1456660, 1529493, 1747992, 2039324, 2184990, 2475480, 2549155, 2913320, 3058986, 3568817, 4078648, 4369980, 5098310, 6117972, 7137634, 7647465, 8739960, 10196620, 10706451, 12235944, 14275268, 15294930, 17844085, 20393240, 21412902, 28550536, 30589860, 35688170, 42825804, 53532255, 61179720, 71376340, 85651608, 107064510, 142752680, 214129020, 428258040]

約数ペア:

[(1, 428258040), (2, 214129020), (3, 142752680), (4, 107064510), (5, 85651608), (6, 71376340), (7, 61179720), (8, 53532255), (10, 42825804), (12, 35688170), (14, 30589860), (15, 28550536), (20, 21412902), (21, 20393240), (24, 17844085), (28, 15294930), (30, 14275268), (35, 12235944), (40, 10706451), (42, 10196620), (49, 8739960), (56, 7647465), (60, 7137634), (70, 6117972), (84, 5098310), (98, 4369980), (105, 4078648), (120, 3568817), (140, 3058986), (147, 2913320), (168, 2549155), (173, 2475480), (196, 2184990), (210, 2039324), (245, 1747992), (280, 1529493), (294, 1456660), (346, 1237740), (392, 1092495), (420, 1019662), (421, 1017240), (490, 873996), (519, 825160), (588, 728330), (692, 618870), (735, 582664), (840, 509831), (842, 508620), (865, 495096), (980, 436998), (1038, 412580), (1176, 364165), (1211, 353640), (1263, 339080), (1384, 309435), (1470, 291332), (1684, 254310), (1730, 247548), (1960, 218499), (2076, 206290), (2105, 203448), (2422, 176820), (2526, 169540), (2595, 165032), (2940, 145666), (2947, 145320), (3368, 127155), (3460, 123774), (3633, 117880), (4152, 103145), (4210, 101724), (4844, 88410), (5052, 84770), (5190, 82516), (5880, 72833), (5894, 72660), (6055, 70728), (6315, 67816), (6920, 61887), (7266, 58940), (8420, 50862), (8477, 50520), (8841, 48440), (9688, 44205), (10104, 42385), (10380, 41258), (11788, 36330), (12110, 35364), (12630, 33908), (14532, 29470), (14735, 29064), (16840, 25431), (16954, 25260), (17682, 24220), (18165, 23576), (20629, 20760)]