20772628480

素因数分解:

$2^{11}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1130

約数の個数: 192

約数和(自身を含む): 52646630400

約数和(自身を除く): 31874001920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 160, 178, 184, 230, 256, 320, 356, 368, 445, 460, 512, 640, 712, 736, 890, 920, 991, 1024, 1280, 1424, 1472, 1780, 1840, 1982, 2047, 2048, 2560, 2848, 2944, 3560, 3680, 3964, 4094, 4955, 5120, 5696, 5888, 7120, 7360, 7928, 8188, 9910, 10235, 10240, 11392, 11776, 14240, 14720, 15856, 16376, 19820, 20470, 22784, 22793, 23552, 28480, 29440, 31712, 32752, 39640, 40940, 45568, 45586, 47104, 56960, 58880, 63424, 65504, 79280, 81880, 88199, 91136, 91172, 113920, 113965, 117760, 126848, 131008, 158560, 163760, 176398, 182272, 182344, 227840, 227930, 235520, 253696, 262016, 317120, 327520, 352796, 364688, 440995, 455680, 455860, 507392, 524032, 634240, 655040, 705592, 729376, 881990, 911360, 911720, 1014784, 1048064, 1268480, 1310080, 1411184, 1458752, 1763980, 1823440, 2028577, 2029568, 2096128, 2536960, 2620160, 2822368, 2917504, 3527960, 3646880, 4057154, 4192256, 5073920, 5240320, 5644736, 5835008, 7055920, 7293760, 8114308, 10142885, 10147840, 10480640, 11289472, 11670016, 14111840, 14587520, 16228616, 20285770, 20961280, 22578944, 23340032, 28223680, 29175040, 32457232, 40571540, 45157888, 46680064, 56447360, 58350080, 64914464, 81143080, 90315776, 112894720, 116700160, 129828928, 162286160, 180631552, 225789440, 233400320, 259657856, 324572320, 451578880, 519315712, 649144640, 903157760, 1038631424, 1298289280, 2077262848, 2596578560, 4154525696, 5193157120, 10386314240, 20772628480]

約数ペア:

[(1, 20772628480), (2, 10386314240), (4, 5193157120), (5, 4154525696), (8, 2596578560), (10, 2077262848), (16, 1298289280), (20, 1038631424), (23, 903157760), (32, 649144640), (40, 519315712), (46, 451578880), (64, 324572320), (80, 259657856), (89, 233400320), (92, 225789440), (115, 180631552), (128, 162286160), (160, 129828928), (178, 116700160), (184, 112894720), (230, 90315776), (256, 81143080), (320, 64914464), (356, 58350080), (368, 56447360), (445, 46680064), (460, 45157888), (512, 40571540), (640, 32457232), (712, 29175040), (736, 28223680), (890, 23340032), (920, 22578944), (991, 20961280), (1024, 20285770), (1280, 16228616), (1424, 14587520), (1472, 14111840), (1780, 11670016), (1840, 11289472), (1982, 10480640), (2047, 10147840), (2048, 10142885), (2560, 8114308), (2848, 7293760), (2944, 7055920), (3560, 5835008), (3680, 5644736), (3964, 5240320), (4094, 5073920), (4955, 4192256), (5120, 4057154), (5696, 3646880), (5888, 3527960), (7120, 2917504), (7360, 2822368), (7928, 2620160), (8188, 2536960), (9910, 2096128), (10235, 2029568), (10240, 2028577), (11392, 1823440), (11776, 1763980), (14240, 1458752), (14720, 1411184), (15856, 1310080), (16376, 1268480), (19820, 1048064), (20470, 1014784), (22784, 911720), (22793, 911360), (23552, 881990), (28480, 729376), (29440, 705592), (31712, 655040), (32752, 634240), (39640, 524032), (40940, 507392), (45568, 455860), (45586, 455680), (47104, 440995), (56960, 364688), (58880, 352796), (63424, 327520), (65504, 317120), (79280, 262016), (81880, 253696), (88199, 235520), (91136, 227930), (91172, 227840), (113920, 182344), (113965, 182272), (117760, 176398), (126848, 163760), (131008, 158560)]