20197790080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{863}}^1$

素因数の和:1021

約数の個数: 256

約数和(自身を含む): 54410227200

約数和(自身を除く): 34212437120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 97, 104, 116, 128, 130, 145, 160, 194, 208, 232, 260, 290, 320, 377, 388, 416, 464, 485, 520, 580, 640, 754, 776, 832, 863, 928, 970, 1040, 1160, 1261, 1508, 1552, 1664, 1726, 1856, 1885, 1940, 2080, 2320, 2522, 2813, 3016, 3104, 3452, 3712, 3770, 3880, 4160, 4315, 4640, 5044, 5626, 6032, 6208, 6305, 6904, 7540, 7760, 8320, 8630, 9280, 10088, 11219, 11252, 12064, 12416, 12610, 13808, 14065, 15080, 15520, 17260, 18560, 20176, 22438, 22504, 24128, 25027, 25220, 27616, 28130, 30160, 31040, 34520, 36569, 40352, 44876, 45008, 48256, 50054, 50440, 55232, 56095, 56260, 60320, 62080, 69040, 73138, 80704, 83711, 89752, 90016, 100108, 100880, 110464, 112190, 112520, 120640, 125135, 138080, 146276, 161408, 167422, 179504, 180032, 182845, 200216, 201760, 224380, 225040, 241280, 250270, 276160, 292552, 325351, 334844, 359008, 360064, 365690, 400432, 403520, 418555, 448760, 450080, 500540, 552320, 585104, 650702, 669688, 718016, 731380, 800864, 807040, 837110, 897520, 900160, 1001080, 1088243, 1170208, 1301404, 1339376, 1436032, 1462760, 1601728, 1626755, 1674220, 1795040, 1800320, 2002160, 2176486, 2340416, 2427619, 2602808, 2678752, 2925520, 3203456, 3253510, 3348440, 3590080, 4004320, 4352972, 4680832, 4855238, 5205616, 5357504, 5441215, 5851040, 6507020, 6696880, 7180160, 8008640, 8705944, 9710476, 10411232, 10715008, 10882430, 11702080, 12138095, 13014040, 13393760, 16017280, 17411888, 19420952, 20822464, 21764860, 23404160, 24276190, 26028080, 26787520, 31559047, 34823776, 38841904, 41644928, 43529720, 48552380, 52056160, 53575040, 63118094, 69647552, 77683808, 87059440, 97104760, 104112320, 126236188, 139295104, 155367616, 157795235, 174118880, 194209520, 208224640, 252472376, 310735232, 315590470, 348237760, 388419040, 504944752, 631180940, 696475520, 776838080, 1009889504, 1262361880, 1553676160, 2019779008, 2524723760, 4039558016, 5049447520, 10098895040, 20197790080]

約数ペア:

[(1, 20197790080), (2, 10098895040), (4, 5049447520), (5, 4039558016), (8, 2524723760), (10, 2019779008), (13, 1553676160), (16, 1262361880), (20, 1009889504), (26, 776838080), (29, 696475520), (32, 631180940), (40, 504944752), (52, 388419040), (58, 348237760), (64, 315590470), (65, 310735232), (80, 252472376), (97, 208224640), (104, 194209520), (116, 174118880), (128, 157795235), (130, 155367616), (145, 139295104), (160, 126236188), (194, 104112320), (208, 97104760), (232, 87059440), (260, 77683808), (290, 69647552), (320, 63118094), (377, 53575040), (388, 52056160), (416, 48552380), (464, 43529720), (485, 41644928), (520, 38841904), (580, 34823776), (640, 31559047), (754, 26787520), (776, 26028080), (832, 24276190), (863, 23404160), (928, 21764860), (970, 20822464), (1040, 19420952), (1160, 17411888), (1261, 16017280), (1508, 13393760), (1552, 13014040), (1664, 12138095), (1726, 11702080), (1856, 10882430), (1885, 10715008), (1940, 10411232), (2080, 9710476), (2320, 8705944), (2522, 8008640), (2813, 7180160), (3016, 6696880), (3104, 6507020), (3452, 5851040), (3712, 5441215), (3770, 5357504), (3880, 5205616), (4160, 4855238), (4315, 4680832), (4640, 4352972), (5044, 4004320), (5626, 3590080), (6032, 3348440), (6208, 3253510), (6305, 3203456), (6904, 2925520), (7540, 2678752), (7760, 2602808), (8320, 2427619), (8630, 2340416), (9280, 2176486), (10088, 2002160), (11219, 1800320), (11252, 1795040), (12064, 1674220), (12416, 1626755), (12610, 1601728), (13808, 1462760), (14065, 1436032), (15080, 1339376), (15520, 1301404), (17260, 1170208), (18560, 1088243), (20176, 1001080), (22438, 900160), (22504, 897520), (24128, 837110), (25027, 807040), (25220, 800864), (27616, 731380), (28130, 718016), (30160, 669688), (31040, 650702), (34520, 585104), (36569, 552320), (40352, 500540), (44876, 450080), (45008, 448760), (48256, 418555), (50054, 403520), (50440, 400432), (55232, 365690), (56095, 360064), (56260, 359008), (60320, 334844), (62080, 325351), (69040, 292552), (73138, 276160), (80704, 250270), (83711, 241280), (89752, 225040), (90016, 224380), (100108, 201760), (100880, 200216), (110464, 182845), (112190, 180032), (112520, 179504), (120640, 167422), (125135, 161408), (138080, 146276)]